MailRoute Support
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Recent activity by MailRoute Support-
Quarantine Notification Email Preferences Customization
Administrators can control what domain end users can view and can action in their quarantine reports by customizing quarantine notification emails for their domain. Follow the step-by-step ins...
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[Desktop] Apple Mail macOS
To simplify the use of your SMTP Auth Relay, we recommend creating a separate account in your Mac Mail.app email client. This separate account has both an IMAP and SMTP server. If you are a user o...
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MailRoute Advice for Okta Customers
March 22, 2022 There has been news today of a major security breach with Okta, the authentication and identity provider. https://www.theverge.com/2022/3/22/22990637/okta-breach-single-sign-on-...
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UCEProtect Blacklists
At some point you may have received an error message that an email has been blocked from going to recipient with the following message: 554 5.7.1 Service unavailable; Client host [199.89.1.15] bl...
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Blocklisting/Allow listing Isn't Working! A Troubleshooting Guide
If you're receiving emails from sources you have previously Blocklisted, or not receiving emails from sources you've put in your Allow list, there may be some factors to look into. Here are...
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Microsoft Office 365, Exchange Online, and Microsoft Office 365 Government/GCC High Setup Configuration
If you configured Office365 prior to September 2024, you should update your configuration there.If you configured Office365 prior to January 2026, you should consider disabling DirectSend (see Ste...
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Gmail and Google Rejecting Email with Missing or Incorrect SPF records - March 3, 2022
It appears that Google has increased requirements for email delivery, particularly with SPF settings. Emails are being rejected from domains that do not have SPF records or violate SPF. We recommen...
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Implementing SPF for the MailRoute Outbound/SmartHost Service
Setting Your SPF Record If you use the MailRoute Outbound/SmartHost Service, you need to be sure you have an proper SPF record for your domains. What's an SPF record? SPF defines a list of the ...
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How to Forward an Email as an Attachment
In order to fully analyze the message that made it through our filters, we ask that you send the email exactly as you received it. The intact headers and body must not be changed or modified in ...
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Email Server SMTP Errors
To assist in troubleshooting commonly seen email server errors we have created a list of error codes and next steps to fix the issue. 421 Unexpected failure, please try later: Error on the emai...