Sophos Email customers using IP-based mailflow rule connectors must migrate to certificate-based configuration by March 31st. To see if you're affected Click Here.

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Email Delivery issues -- Sophos IP listed as SPAM??

Ninjatech1969

Hello All,

I am receiving reports from one of our clients that emails they are sending out are not being received by their clients. I have looked 

at Sophos and the logs are showing delivered. I checked their mx record in DNS checker and it looks like IPs are being block can someone please confirm this . I am on the  east coast data center..



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[edited by: Raphael Alganes at 9:09 AM (GMT -7) on 29 May 2023]
  • 0

    Hello  there,

    Thank you for reaching out.

    There were reports of some of our Public IPs being blacklisted by a specific vendor, but the issue was resolved on Apr 16.

    If you or your customer is still experiencing issues, raise a support ticket and share the Case ID. 

    When raising the ticket provide a sample of the email being rejected due to the blacklist and the sender email and recipient email.

    Regards,

     
    Emmanuel (EmmoSophos)
    Technical Team Lead, Global Community Support
    Sophos Support Videos | Product Documentation  |  @SophosSupport  | Sign up for SMS Alerts
    If a post solves your question use the 'Verify Answer' link.
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