Latency Threshold – I would say to start with 50-60 Seconds to avoid any false positives.Failure Counter threshold – I would suggest to start with 5-6 for […]
Tag: mimecast
Issues with the Outlook Mimecast App interfering with other Outlook Addin’s
Go to administration servicesapplicationsldap application settingsoutlook sectionDisable outlook message list smart searchbar
Office 365 Send Connector Validator Failed
Recently I tried to setup a 365 Send connector to relay it through another third party Mimecast ( https://community.mimecast.com/docs/DOC-1623 ) . Mimecast confirmed they had enabled […]
Mimecast Holding Items after putting them in Permitted Senders
Search for the message in Mimecast Then Copy the Header to Clipboard and Search for “Fail”You can see any DNS checks it might have failed e.g. :
Delay in recieving emails from Mailchimp in Mimecast
Recently had a customer that was getting 15 – 20 minute delays in receiving emails from MailChimp. The same email to services such as Office 365 , Gmail […]
How to Whitelist Mailchimp from Mimecast Anti Spoofing Policy
Many internal companies use Newsletter services such as Mailchimp to email out internal newsletters. The From Address of this is usually an internal email address which means […]
Whitelist Mimecast Outlook Plugin in Windows Firewall
Great a Computer Configuration Group Policy Object for Windows Firewall per belowWhitelist the below files Inbound and OutboundC:\program files\mimecast\mimecast windows service\msddsk.exe ( 32 bit ) C:\program files (x86)\mimecast\mimecast […]
Mimecast Impersonation Protection not working
Recently a email came in from a third party which wasn’t blocked by the Impersonation ProtectionAdministration > Gateway > Policies > Impersonation Protection Definitions Default Impersonation Protection for Mimecast Similar Internal Domain […]
Mimecast – Bounce – Message content not accepted
Recently had a customer stop being able to send items to Mimecast with the following 554 Email rejected due to security policies - https://community.mimecast.com/docs/DOC-1369#554This was happening to Multiple emails […]
Mimecast SSO Outlook and Personal Portal with Azure AD 2fa
Mimecast GuideAzure Microsoft GuideCreate a Distribution Group in Office 365, this will be to Add the users to you want enable SSO on , add Users Make sure […]
Whitelist an IP Address in Mimecast
If you are using products such as Cofense PhishMe , FriendlyPhishing or Knowbe4 as Phish testing software in your organisation then these test’s will get blocked in […]
Mimecast : The attached files listed below have been blocked. This is because they contain potentially harmful links. If you believe this is a mistake, please contact your administrator.
The attached files listed below have been blocked. This is because they contain potentially harmful links. If you believe this is a mistake, please contact your administrator.This […]