Article expires. Azure/Office 365 Outages: The IT Admin's Guide to Continuity | Mimecast Home Blog AzureOffice 365 Outages Email Security Azure/Office 365 Outages: The IT. 8 billion, making it the third pure-play email security provider to be acquired this year. For instance, we just had a new customer provisioned, got our connect account, but noticed that we. Search Crunchbase. Archiving. The logon is your email address, and the password is either: Note: Access to the Secure Messaging Portal is for the sole use of the message's recipient. Mimecast Mailbox Continuity provide simple, cost-effective protection against downtime events, including natural disasters, data migration, cloud outages, system failure and planned maintenance. Click on the Platform | Set Up Your Outbound Email menu item. Nov 17, 2023. Outage in Mimecast. Our purpose-built-cloud-native X1 Platform provides an extensible architecture that lets you quickly and easily integrate Mimecast with your existing investments to help reduce risk and complexity across your entire estate. Each production data center has multiple power supplies, generators on-site and with battery back-up to safeguard power availability to. The vendor specialises in cloud-based email archiving as well as continuity and security tools that are designed for use with Microsoft Exchange and Office 365. Microsoft Outlook is switched to offline mode. Enabling this option allows you to globally halt Mimecast from sending emails to your mail server(s). Share. EOP is basically garbage, but ATP could work as a replacement. xx. Outage Map; Is Mimecast Down Right Now? See if Mimecast is down or having service issues today. I’ve been trying for the last hour and a half and nothing. I've used Proofpoint, Postini, Mcafee/MXLogic, none have been remotely this slow. 1:20pm EDT: Mimecast continues to work on resolving this service disruption for US-hosted customers. Mimecast business continuity services monitor inbound and outbound email from on-premises servers or cloud-based services like Office 365. Each Data Center is audited for compliance to. Created Sep 22, 2015. When Mimecast publishes downtime on their status page, they do so across 90 components and 11 groups using 4 different statuses: up, warn, down, and maintenance which we use to provide granular uptime metrics and notifications. ACTIVE - Mimecast has reopened this as an Active Incident for the US-hosted customers. Mimecast outage and reported problems map. On the other hand: the Mimecast outage demonstrates that even well-funded, specialist systems can go wrong: it may be just swapping one kind of risk of outage for another one. Partial Outage Major Outage Maintenance Past Incidents. Which led me to wondering if there is a specific setting on mimecast to see the outbound emails. If Microsoft Outlook is in non-cached mode, continuity. Obviously, I'm not at fault for any of the issues, they all happened at a level far above me, but having. 4. xx (attempted merging values /xx. ConversationAs for replacement SDWAN suggestions I'm skeptical any of the majors have a SDWAN solution that uses a truly redundant platform. Employees can continue to access email as usual on any. ago. Say goodbye to constantly checking multiple sites for updates and stay ahead of outages with IsDown. All folder and message meta-data extracted from an Exchange mailbox is kept for the same period as your email data. com has a hard fail SPF record. xx) **IMO it took the US Ops team an intolerable amount of time to update the status page. Most SLAs offer 99. Only 9% of those stated the outage had not impacted their organization. Mimecast treat it as a temporary failure and retry, not informing the user until sometime later (and even then only. Email security and resilience firm Mimecast is contending with a service outage affecting users in parts of the U. ShareFile Regular Maintenance Notification. A MIMECAST SPONSORED WHITE PAPER EMAIl AS PART OF A BuSINESS CONTINuITy STRATEGy WHy AlWAyS-ON-BuSINESS REQuIRES AlWAyS-ON-EMAIl Few businesses could function without email, and email provides a critical coordination tool during an outage, yet due to the cost and complexity of providing true email continuityMimecast offers advanced email and collaboration security through two different deployment methods. Say goodbye to constantly checking multiple sites for updates and stay ahead of outages with IsDown. It is common for some problems to be reported throughout the day. Click New Content Definition. Mimecast is currently experiencing an outage causing mail flow delays and delayed resolution of re-written URLs within email messages. Users may experience a disruption to services. Mimecast seems to have a larger customer base among r/sysadmin but I've seen people talk about leaving Mimecast to go to Proofpoint in other Mimecast outage threads and Proofpoint customers end up responding that Proofpoint "just had an outage" or isn't any better. Login to Mimecast. Mimecast - we aren't big fans of the business and how they operate, the product is very good just not MSP friendly. Post yours and see other's reports and complaints. We would like to show you a description here but the site won’t allow us. We have disabled the personal portals and use the outlook plugin exclusively so its a major impact. Microsoft acknowledged the issue early Monday, saying in tweets they were investigating reports that users were unable login to Office 365 and. Easily monitor Mimecast and all your critical services With IsDown, you can monitor all your critical services' official status pages from one centralized dashboard and receive instant alerts the moment an outage is detected. Not Working For Me! Outage History Jul Aug Sep. I will say though, first major outage I've ever had w/ Mimecast. With IsDown, you can monitor all your critical services' official status pages from one centralized dashboard and receive instant alerts the moment an outage is detected. During an Exchange server outage, users can use Mimecast applications to view the most recent snapshot of their mailbox with its folder structure, allowing them to navigate through their folders and messages familiarly. 2. Affected services . In the event of primary email system outage, Mimecast ensures uninterrupted access to emails by providing a cloud based backup. Inbound and outbound mail is routed through the Mimecast Platform and is automatically retained for 58 days. We are investigating the issue and will post updates here as they. Mimecast positions themselves as a business continuity. Keep email flowing no matter what Mimecast’s Internal Email Protect solution applies best-practice security inspections to internal and outbound email traffic, allowing you to monitor,The email continuity feature offered by Mimecast is another aspect worth mentioning. If you have any questions, please call the Help Desk at 610-436-3350. Mimecast was founded in 2003 by Peter Bauer and Neil Murray. xx and /xx. Mimecast services make it easier to manage and secure your Exchange mail server. When Office 365 is down, mobile users. We would like to show you a description here but the site won’t allow us. When I look at the logs regarding this issue I see that for SES the delivery time is taking a long time for Mimecast, but not other servers. We are investigating the issue and updates will be posted. When Mimecast publishes downtime on their status page, they do so across 90 components and 11 groups using 4 different statuses: up, warn, down, and maintenance which we use to provide granular uptime metrics and notifications. Start free trialMimecast products provide defense in depth against targeted threats, strengthen data integrity and provide disaster recovery in the event of a Microsoft infrastructure outage. Mimecast works with mail solutions that are on-premises, in the cloud or hybrid. Click on Support | Customer Care | My Support Request. Keep ahead of outages with real-time notifications, health dashboards, and internal status pages. Rarely, an outage ticket will show the reason (Commercial power outage, HFC failure, someone T-boned a utility pole, etc). Helping 40,000+. ” Components affected Mimecast Points of Contact. Mimecast’s Continuity for Exchange/Exchange Online. There's a reason Proofpoint is the market leader. Select the required File (s) to attach in your document library and click Open. Lack of access to it – even for short periods of time – can have devastating consequences, from financial loss to reputational damage. When the services went down the IT admin and their team would receive an alert (SMS or secondary email). Mimecast cloud cybersecurity services for email, data, and web protects critical communications, people and data. The only recommendations i’ve received have been to basically bypass the sandbox, which essentially renders the attachment policies worthless. More needs to be done to alert the customer when issues of this magnitude occur. When Mimecast publishes downtime on their status page, they do so across 90 components and 11 groups using 4 different statuses: up, warn, down, and maintenance which we use to provide granular uptime metrics and notifications. When an Office 365 business continuity event occurs, IT administrators simply trigger a continuity event and switch all email clients to send and. Need inbound connection from the Mimecast IP range to your DC. xx. Further updates will be provided via Mimecaster Central and the Administration Console. Mimecast uses sophisticated detection engines and threat intelligence to identify known and emerging threats and prevent them from reaching your email system. A configured Connector. Report an Issue. Encrypt mail messages and share attachments securely. I opened the chat box and asked about it. But I didn’t see any major impact due to mimecast outage users were still receiving emails however admin portal was impacted No experience with proof point . We would like to show you a description here but the site won’t allow us. xx. Mimecast’s email disaster recovery solution enables users to continue to send and receive email during a disaster, an Office 365 outage or during planned downtime. A few of our users have taken to using this as their primary mail client instead of the iphone default. There really is nothing like an outage, and participating in identifying everything affected, troubleshooting where the issue is, and informing the right people to really let you know exactly what you're doing at a job, and to let the management know why they're paying you. RFA is monitoring this issue and will provide additional updates. Collaboration / Mimecast. Functions as an emergency inbox if MS has an outage (love this feature). Service updates. Mimecast outage in the UK. It seems no matter what service you pick someone is going to have an outage sometime. EDIT 3: Mimecast is seeing an improvement to all services for some previously impacted US hosted customers. Learn more about email availability with Mimecast, and about Mimecast solutions for email archiving in Office 365 . “We can confirm we experienced a major power outage in one of our US data centers that impacted all power supply sources. Should you need to access the dashboard after you've logged on, it is available from either: Administration Console: Accessing Your Recent History. If configured, it communicates with the registered continuity devices or applications in the associated group and forces them into disaster recovery mode. When an Office 365 business continuity event occurs, IT administrators simply trigger a continuity event and switch all email clients to send and receive. Emails are still accessible through Mimecast User Services while they. Mimecast down? Current problems and outages. Related. I think mimecast's sandboxing, url protect, and impersonation protect features are excellent. During an Exchange server outage, users can use Mimecast applications to view the most recent snapshot of their mailbox with its folder structure, allowing them to navigate through their folders and messages familiarly. Green: The message is waiting for the next retry interval. Learn about email outage. The Mimecast Service operates from several industry certified third-party production data centers with a defined and protected physical perimeter, strong physical controls including access control mechanisms, controlled delivery and loading areas, surveillance, and security guards. Immediate administrator-initiated. When Mimecast publishes downtime on their status page, they do so across 90 components and 11 groups using 4 different. xx. Mimecast will automatically reconnect and synchronize any messages sent or received during the outage. I was wondering if it was part of a bigger provider outage, like AWS or something. As a leading solution for Outlook email management in Office 365, Mimecast’s fully integrated offering also includes services for security and email encryption in Office 365 , as well as. However, monitoring this type of outage is becoming increasingly more difficult as Microsoft breaks users into separate pods, ultimately obscuring the true extent of an outage. Products. Mimecast account with edit permissions to the directory sync applications and settings menus. Keep tabs on your SaaS and cloud providers in real-time and never miss another outage again. FYI, Proofpoint is trying to acquire mimecast. Mimecast will perform such Professional Services in a professional and workmanlike manner, consistent with industry standards. No incidents reported today. We swapped over to Mimecast a few months ago and a couple of weeks ago they globally changed the on hold messages (quarantine) digest that users get to be a long list with 5 lines for each entry instead of a table format with 1 row for each entry. Mimecast is down. Mimecast. forget the “trapped” print as a lost cause. We would like to show you a description here but the site won’t allow us. Read the. Email archiving vendor Mimecast has blamed a service outage that left many of its UK customers unable to send or receive emails today on a datacentre glitch. More needs to be done to alert the customer when issues of this magnitude occur. Mimecast offers a comprehensive service for email security, archiving and continuity, delivering an all-in-one solution for defending against cyber fraud. As a leading solution for Outlook email management in Office 365, Mimecast’s fully integrated offering also includes services for security and email encryption in Office 365, as well as. org domains, which have certainly been. Jul 25, 2023. This Service Update article shows how Mimecast Customers can protect their configuration against human error, roll-back to a prior state, or export an offline record of the current configuration for audit and change control purposes. During a mail server outage scenario, it is possible that either the Active Directory or EWS server (if using IWA) will also be unavailable. ” Even with a relatively short period of downtime, the resulting disruption can be significant – particularly when millions of users around the world are relying on these tools more. xx) **IMO it took the US Ops team an intolerable amount of time to update the status page. Exchange (receive connector) <<- (outbound connector) Office 365 (inbound connector) <<-Partner. Monitor Mimecast and all your third-party services in one place With IsDown, you can monitor all your critical services' official status pages from one centralized dashboard and receive instant alerts the moment an outage is detected. Whilst the Exchange is offline, Mimecast for Outlook mailbox monitoring functionality continues to check for new messages. Mimecast Mailbox Continuity is the perfect complement to Office 365, providing continuous access to email even during Office 365 downtime events. The Administration Console dashboard gives you a birds-eye view of your Mimecast system and services. HES is End of Sale since a long time in 2019/2020 and end of renewal was last week. 1. 79% of organizations using Microsoft 365 suffered an outage in 2021 — and there’s no real email backup and recovery capability. xx. Use our DMARC Analyzer to identify legitimate vs fraudulent senders. This started around 9 am EST. Nov 16, 2023. Note: In situations where we want to draw your attention to a notification (e. Nov 18, 2023. 300 Seconds, Category: Auto Allow Policy. Description: Hold All Emails. API Configuration & Setup. 3. A Google spokesperson later said they had experienced “an authentication. Companies like Mimecast have years of experience helping SMBs address key vulnerabilities and defend against common cyberthreats, such as phishing, credential theft, and ransomware. The Continuity Event Management functionality makes it easier for administrators to respond quickly to email flow disruptions. Mimecast. The company’s services include email filtering, archiving, and encryption. Mimecast LoginThe latest tweets from @MimecastCompanies like Mimecast have years of experience helping SMBs address key vulnerabilities and defend against common cyberthreats, such as phishing,. Mimecast Mailbox Continuity ensures that email continues to flow even when primary email servers are down. Using everyday tools like Outlook for Windows and web and mobile applications, users can access their mailbox and calendar information from anywhere, anytime, on any device. As a leader in cloud email services for the enterprise, Mimecast provides email continuity services that reduce recovery time to almost zero after an email outage, without the expense, complexity, hardware or software of email continuity with traditional on-premises solutions. We would like to show you a description here but the site won’t allow us. Start free trial Planning for Business Continuity During Cloud Downtime. Mimecast users need their Mimecast ID in order to complete a bug report, but they can’t access it when the platform is down. Update 9:30 PM ET: The outage appears to be resolved for most people. Last updated. com is actually down then you can resolve the issue by doing following:If Mimecast is down for you, the user outage reports section below will help you see if other people also have issues. Mimecast offers online email with a focus on multi-layer security protection. We recently switched to Mimecast after the Proofpoint fiasco from last week. Helping 40,000+. That allows Mimecast to perform enterprise-grade security scrubbing along with an optional archive data bank. Outage in Mimecast. Get exclusive and breaking news, IT vendor and product reviews. Mimecast Mega—$801/month for up to 49 users—ups Hero with 99-year archive, e-discovery, extended retention, early case assessment, and. Mimecast package includes access to Continuity SMS functionality, users can be given the permission to set or reset their Cloud password during an email outage with the SMS verification code. No email in or out, or admin console. Click on one of the buttons to start a continuity mode for the desired duration. Our readers told us the service wasn't delivering mails, and the web portal was inaccessible for users. Service Updates. Hover over the Definitions drop-down and select Content Definitions. Nov 19, 2023. Many legacy backup solutions for Exchange are costly and hard to manage. Say goodbye to constantly checking multiple sites for updates and stay ahead of outages with IsDown. On occasion, your power may start working before your Xfinity services. Please note customers may experience intermittent difficulty logging into the Mimecast Community, to raise support cases. As powerful as Microsoft 365 email hosting is, it cannot provide 100% uptime. Open the email. Mimecast also offers a cloud-based email security service that provides real-time protection from email-borne threats. com. Our purpose-built-cloud-native X1 Platform provides an extensible architecture that lets you quickly and easily integrate Mimecast with your existing investments to help reduce risk and complexity across your entire estate. Together, joint customers can use Domain-based Message Authentication, Reporting and Conformance (DMARC) to more effectively block impersonation, phishing,. This is because many of these rules are applied by the Exchange server, and are therefore not available during an Exchange outage which is typically the reason to induce continuity mode. With Mimecast, employees have access to live and historic email and attachments during outages and planned downtime. Click on Auto Response. Continuity Products - Email. This thread is archived New comments cannot be posted and votes cannot be cast comments. Mar 11, 2023 Knowledge. More than 200 StatusGator users monitor Mimecast to get notified when it's down, is under. Learn how to subscribe or unsubscribe to. Private equity powerhouse Permira has agreed to purchase Mimecast for $5. Mimecast outages reported in the last 24 hours. Mimecast, who criticised Google Apps for not having a 100% service level agreement (SLA), suffered strong backlash from frustrated customers on Twitter. At present the CyberGraph user interface is not currently available via the Mimecast Administration Console but the application continues to perform as per normal. Continuity Event Management: Detection and Alert Process: Describes how potential continuity issues are detected and how the failure counter is increased/decreased as a result. See if Mimecast is down or it's just you. Mimecast provides cloud-based SaaS email solutions for security, continuity and archiving that help to reduce the cost and complexity of managing business email. This is causing service disruptions. No incidents reported. -based provider of email management with a focus on security, says a “major power outage” is causing its North American grid to suffer problems causing delays and “degraded service” for customers. To address the need for better transparency, Mimecast is upping its game in the continuity space by adding in. Designed to help prevent email impersonation, DMARC allows senders to let recipients know that messages are protected by Sender Policy Framework and DomainKeys Identified Message (DKIM) protocols and. Mimecast’s email disaster recovery solution enables users to continue to send and receive email during a disaster, an Office 365 outage or during planned downtime. Having issues?The Weather Channel outages reported in the last 24 hours. But don't worry, you can still access the classic one. mimecast. Latest Updates ( sorted recent to last ) 3 months ago - at 02/07/2023 08:51PM. Get instant alerts and stay informed when an incident impacts your operations. Users may experience a. Monitor Mimecast United States B Grid status changes, ongoing problems, recent outages, and user reports. Monitor Mimecast status changes, ongoing problems, recent outages, and user reports. Say goodbye to constantly checking multiple sites for updates and stay ahead of outages with IsDown. A Google spokesperson later said they had experienced “an authentication system outage for approximately 45 minutes due to an internal storage quota issue. The Continuity Portal is opened in your browser. The cloud and email. Only 9% of those stated the outage had not impacted their organization. Mimecast Email Continuity allows all of our business and customers to continue working even in the event of an Exchange outage. Select the Microsoft Graph option. xx. com, and all other customer facing services are unaffected. 86. Continuity Event Management: Managing an Event: Describes how to manage a continuity event when a notification is received. Emails from [email protected] SMS alerts here. Even, if something does not appear correctly, it will preserve the email and remind the recipient for the attachments. Users reports for Mimecast United Kingdom Grid in the last 12 hours. Mimecast US outage? Getting "Internal Mail processing error". Looks to be an issue with Mimecast. We've deprecated the classic interface. Service updates. Complete the Options section as required: Field / Option. We are seeing this as well. Uptime last 24 hours. Check if Mimecast Australian Grid is down right now. Say goodbye to constantly checking multiple sites for updates and stay ahead of outages with IsDown. Mimecast provides protection against inevitable downtime by enabling users to access to live and historic messages even during an email outage, planned downtime or a disaster, helping to achieve superior Office 365 business continuity. CST Limited have partnered with Mimecast, a leader in Cloud email services for enterprise, to eradicate any downtime caused in the face of catastrophe. We would like to show you a description here but the site won’t allow us. A new generation of collaboration tools and platforms were essential to enabling the now-prevalent remote- and hybrid-work models that power today’s work-from-anywhere world. Mar 31, 2014. 11:13 AM · Jun 7, 2023. AFS23 • 9 mo. Current system status. By doing so, all inbound and outbound emails are sent through Mimecast. Mimecast's data leakage prevention tools enable administrators to block or quarantine suspected leaks. 11% were severely impacted and 25% moderately. When Office 365 is down, mobile users. EDIT 4: We are seeing further improvement to all services for our US hosted customers. planned downtime or an Office 365 outage. Apr 28, 2022 - Mimecast outages - We are aware that some US hosted CyberGraph customers may be experiencing issues with the display of CyberGraph ban. Mail-flow, Outlook plugin, user and admin portals. Downdetector shows upticks in reported problems for several things. Johannesburg Mimecast South Africa (Pty) Ltd Sandton Gate , 4th floor 27 Minerva Avenue Glenadrienne 2196 Sandton T: Local: 0861 114 063 T: Int: +27 (0) 11 722 3700Watertown, MA – Mimecast Limited (NASDAQ: MIME), a leading email and data security company, announced enhancements to its Mailbox Continuity offering, designed to strengthen customers’ cyber resilience by automatically detecting a Microsoft® Exchange, Microsoft® Office 365™, or G Suite by Google Cloud email outage or. Also looks like they made a slight adjustment and linked to the document: Please note that we are experiencing increased call volume due to an Office 365 related issue that is impacting mail delivery. Mimecast is an Email and Security solution that StatusGator has been monitoring since December 2019. When was the last Mimecast South African Grid outage? Mimecast South African Grid last outage was on November 02, 2023 with the title "Administration Console Intermittent Performance Degradation" I'm having issues with. With IsDown, you can monitor all your critical services' official status pages from one centralized dashboard and receive instant alerts the moment an outage is detected. Mimecast's governance, risk and compliance services provide solutions that offer data management and protection. What's Your Email Security Approach Traditional security approaches are no longer effective. Our readers told us the service wasn't delivering mails, and the web portal was inaccessible for users. IsDown is an uptime monitoring solution for your critical business dependencies. 99999% uptime, meaning anything from a quarter second per month to 43 minutes per month of downtime before it costs them anything. Mimecast Mailbox Continuity supports Office 365 business continuity by ensuring that users have access to live and historic email and attachments during a disaster, outage or planned downtime. By selecting Accept all, you consent to our use of Cookies. Cloudflare control plane outage port mortemMimecast seems to be checking SPF records (which is good) but doing so when they are relaying large file sends (which is not good). Since the LFS email is a relay from an internal Mimecast server, Mimecast rejects its. Our engineering team have investigated and confirmed we are sending the SMS messages. Domain name. So, some users request the company to remove the ID requirement to report issues. There isn’t really anything else worth. Monitor Mimecast Australian Grid status changes, ongoing problems, recent outages, and user reports. Enter a connector Name and an optional Description. Customers can still access the Mimecast support hub via community. this is ridiculousNothing like an outage to clarify your job. Archiving. Continuity Products - Email. I read some old threads on /sysadmin etc and others mentioned the same but that was a year or two ago. Whether the outage is planned or unplanned, the ability to keep email flowing is an essential component of any business continuity plan. May 03, 2022 - 9 months ago - Lasted about 11 hours. When Mimecast publishes downtime on their status page, they do so across 90 components and 11 groups using 4 different. Can’t get to ID when your system is down. Mimecast’s Email Continuity Service. Your success is our highest priority, which is why we’re committed to you throughout your entire customer experience. You can refer to this article for. Mimecast for Outlook allows you to gain access to your Mimecast services from inside Microsoft Outlook, by using the Mimecast ribbons. Do not share your log on details with other users. Create a definition with the following settings. Mimecast’s advanced threat protection solutions for Google Workspace make the business world safer for email and other collaborative communications. Mimecast was having a 'company wide' meeting. We looked at mimecast's offering, but I dislike working with regex. Mimecast for Outlook must be connected to an Exchange or another email account. About Current Outage Q: What to do if problem is at my end? If mimecast. This is the primary application Secure Message recipients use to interact with your company via email, as well as a place where internal users of a Mimecast customer can interact with Secure Messages. And peeps on Twitter reckoned the service went down sometime around 11am this morning. xx. xx. Mimecast down 5/3/22 . Mimecast Personal Portal provides the following benefits: Apply predefined stationery, send secure messages, apply document conversion policies and send large files. The Mimecast cloud-based service means always-on, always up-to-date protection without the complexity and cost of traditional offerings. Amongst some other services, Mimecast provides an anti-virus, anti-spam, continuity, and archive solution for email for corporates. Reports in last 20 minutes. Users can access email from anywhere, at any time, using web, desktop and mobile apps. Mimecast outages reported in the last 24 hours. Mimecast. Had I known there was one person for Implementation, one person for Ingestion & so on, I would've worked harder to have my stuff together. According to Reuters, people with knowledge of the situation believe this incident may be related to the recently disclosed supply chain attack involving Texas-based IT management solutions provider SolarWinds. Whatever platform you choose for your Postini replacement, odds are it can't deliver 100% uptime. Live. Continue to send and receive mail during a mail server outage. The Mimecast for Outlook functionality only applies to the primary account configured in Outlook. Monitor Mimecast and all your third-party dependencies in one place. When an email outage or planned downtime takes email servers offline, Mimecast provides users with uninterrupted access to live and historic email and attachments. K. Mimecast is aware that some customers hosted on our North American grid may be experiencing issues with access to the Mimecast Administration Console, End User. Extend the continuity mode. Mimecast service outage? We manage multiple companies' email systems using Mimecast, one of which seems to be intermittently unable to send/receive from external domains. If the outage is more prolonged than this, we will issue a Non-Delivery Report (NDR) to the email sender. We have tried pinging Mimecast website using our server and the website returned the above results. xx. Impersonation rights to your organization's mailboxes in order for the outbound test email message to. xx. Mimecast Enterprise Information Archiving provides a highly scalable and resilient archive.