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Strange Pop3 Problems - mails not deleted on Mailserver

Ichbins
Hi at all,

we have some big issues with the pop3 proxy on 9.106 (and before).

The situation:
Sophos UTM / POP3 Proxy activated.
Exchange 2003 / popcon
Round about 70 Mailboxes on Exchange
And (a big problem) nearly 2000 Spam Mails per hour.

Configuration of pop3 proxy:
1 AV-Scanner (sophos)
60 Seconds intervall
delete quarantine messages from server

The Problem:
In some Situation the messages would not deleted from mailserver.. and that is critical with 2000mails per hour. 
We can't find a reason with support.
A new installation of utm was not helpful.

Any other ideas?

I have to recommend that we use smtp/mx, but it's not in our hands.

Thanks a lot and kind regards

Daniel


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  • 0
    Daniel, I'm not a fan of using popcon.  Given the volume of spam (over five times what I woud expect), I think your best solution is to use an external anti-spam service.  Until your company is ready to make the (easy) transition to SMTP, I think the only other band-aid would be to change your domain name. [:(]

    Cheers - Bob
     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
Reply
  • 0
    Daniel, I'm not a fan of using popcon.  Given the volume of spam (over five times what I woud expect), I think your best solution is to use an external anti-spam service.  Until your company is ready to make the (easy) transition to SMTP, I think the only other band-aid would be to change your domain name. [:(]

    Cheers - Bob
     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
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