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engins

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mail server sending spam mails and any antivirus/antispam cannot catch that.
how can i stop this?

yours sinceraly

[Updated on: Wed, 09 March 2011 14:47]

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freakinvibe

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Please post mail headers of such a spam message. Also indicate, which Spam configuration you have setup in KC.

Dexion AG - The Blackberry Specialists in Switzerland
https://dexionag.ch
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engins

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[10/Mar/2011 04:10:34] Recv: Queue-ID: 4d7832e5-00000568, Service: SMTP, From: <adey79@yahoo.com>, To: <jimm42@aol.com>, Size: 4148, Sender-Host: 219.223.252.40, User: postmaster<_at_>*****.com
[10/Mar/2011 04:10:35] Recv: Queue-ID: 4d78331b-0000056c, Service: DSN, From: <>, To: <adey79<_at_>yahoo.com>, Size: 15165, Report: failed
[10/Mar/2011 04:10:35] Sent: Queue-ID: 4d7832e6-00000569, Recipient: <jimmyc791<_at_>aol.com>, Result: failed, Status: 5.5.2 5.3.4 Message is too big, maximum 1024 bytes

its trying to send emails over postmaster<_at_>****.com account.
i limited sending outgoing message size from this account.
it cant send emails but its using 90%of cpu
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freakinvibe

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You are trying to send from aol to yahoo. You can't use the Kerio server for that. You can use the Kerio server to send from postmaster<_at_>yourdomain.tld to yahoo.

Also make sure that you don't have "Open Relay" ticked in the SMTP Server settings. Also make sure that your postmaster account has a strong password.

Why have you limited your message size to 1024 bytes? Every mail message will be bigger than that, so no mail will pass.

[Updated on: Thu, 10 March 2011 10:18]


Dexion AG - The Blackberry Specialists in Switzerland
https://dexionag.ch
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engins

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i'm not trying to send, there is something like virus trying to send mails over our mailserver.
i scanned everything but i found nothing.
i have several problems with kerio connect.
-there are some emails delivering 2 or 3 times, (like how many receipents have on mail)
-some senders mails doesnt goes right person, it goes one person on receipent, doesnt goes other
i'm realy tired of listening same problems every day and i cant find anything to solve these problems.
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freakinvibe

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I guess, one of your accounts (e.g. postmaster) is used to send spam mails.

First, change the postmaster account password to something secure (at least 8 characters, containing numbers, no dictionary words).

Then clear the mail queue.

Keep monitoring the queue.

Dexion AG - The Blackberry Specialists in Switzerland
https://dexionag.ch
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engins

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thank you for your replies, i'll do that
last question if you can help me, can i control incoming email from specific person from outside? i want to receive copy of emails from one person.
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freakinvibe

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You could enable archiving and then search for the from field in the archive.

Dexion AG - The Blackberry Specialists in Switzerland
https://dexionag.ch
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