On 9/11/2024 3:41 PM, Scott Q. via mailop wrote:
Hello,
is there anyone that works for Sophos that can contact me off-list ?
We are getting a weird bounce message for one of our customers even
though the recipient can be e-mailed just fine from other e-mail
addresses, so this leads me to believe there is some sort of block in
place.
44.232.189.154 does not like recipient.
Remote host said: 550 5.7.1 XGEMAIL_0008 Command rejected
Giving up on 44.232.189.154.
Thank you,
Scott
https://docs.sophos.com/central/customer/help/en-us/ManageYourProducts/EmailSecurity/SMTPErrorCodes/index.html
The email address of the sender or domain is highly likely in that
Sophos customer's blocklist. You'd need the Sophos customer's email
administrator to look at it.
-Mark Alley
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