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Entire message rejected when one e-mail addrress is incorrect

FrancWest
Hi,

Today I noticed the following situation:

an e-mail was sent to multiple internal recipients. One of those internal addresses doesn't exist, the other 5 where valid. The problem is that the entrie mail is rejected and even not delivered to the valid e-mail addresses. ASL reports the following in the log:

SMTP connection from psmtp30.wxs.nl [195.121.247.32]:56269 closed by DROP in ACL.

After 3 days the sending mailserver bounces the mail to the sender with the message:

Could not deliver the message in the time limit specified. 

Even for the valid addresses.

Is this a problem with the sending mailserver that because of the drop in acl it assumes there is a general error and it keeps trying to deliver the mail and it fails to deliver to the valid addresses ? Or is it a problem with ASL itself that it doesn't report the error correctly ?

I''m running the latest version 7.401.

Franc.


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  • 0 in reply to FrancWest
    Hi Bob,

    our internal mail server is Exchange 2007. But when the issue occurs Astaro doesn't even try to contact this server, no trace of ASL contacting exchange appear in the logs (both ASL and Exchange). Nothing was changed on the setup, except for upgrading to 7.4, since then I have this issue.

    Franc.
  • 0 in reply to FrancWest
    Exchange 2007 should work.  Curious though that the Astaro would reject an email due to an incorrect address without asking Exchange to verify the addresses...

    Can you submit a support request to Astaro?
     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
  • 0 in reply to BAlfson
    Hi Bob,

    well it does verify with exchange for the address existince:

    Verifying recipient address with callout

    But that's all it does, it doesn't deliver to the valid addresses.

    I opened a support case with our reseller, since Astaro doesn't allow contact with them directly.

    Franc.
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