blocking remote relay - plesk 9/centos

darkbluegr
darkbluegr used Ask the Experts™
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Hi, during the past 3 days Im getting lots of mail in plesks's remote qmail queue. all of the messages are being sent to some yahoo.com.tw address. I am wondering if I can block these somehow. we block IP's with lots of connections through the firewall, but it's taking too much time to do this.

I saw a "mail submission" feature in plesk http://kb.parallels.com/3477

is this recommended? any other thoughts for blocking remote qmail users?
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Commented:
Hi,

It seems that you have an open-relay for e-mail. Please check this article. It shows how to limit remote senders.

http://kb.parallels.com/article_22_1394_en.html

Cheers,
K.

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