Unknown access

[wooby]

receiving a mail (spoofed) from my own account and landed up in my spam folder
Please help on further.

"Dec 10 11:47:36 mta postfix/cleanup[29347]: 8843913051C: message-id=<20100127084735.8843913051C@mta.domain.com>
Dec 10 11:47:36 mta postfix/smtpd[28290]: connect from unknown[81.80.32.160]
Dec 10 11:47:36 mta postfix/qmgr[9941]: 8843913051C: from=<test@domain.com>, size=3292, nrcpt=1 (queue active)
Dec 10 11:47:36 mta amavis[12492]: (12492-03) ESMTP::10024 /opt/zimbra/data/amavisd/tmp/amavis-20100127T111346-12492: <test@domain.com> -> <testprim@domain.com> SIZE=3292 Received: from mta.domain.com ([127.0.0.1]) by localhost (mta.domain.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP for <testprim@domain.com>;
Dec 10 11:47:36 mta amavis[12492]: (12492-03) Checking: OM0tlFGHMnxg [81.80.32.160] <test@domain.com> -> <testprim@domain.com>
Dec 10 11:47:36 mta postfix/cleanup[29345]: 13BF913052E: message-id=<BAY123-W5018C70AA67A838EDB37A2805D0@phx.gbl>
Dec 10 11:47:36 mta postfix/smtpd[28941]: connect from unknown[81.80.32.160]
Dec 10 11:47:37 mta postfix/smtpd[29309]: disconnect from unknown[81.80.32.160]"

81.80.32.160 is not my client IP . Please help

[y@w]

Receiving spam that is spoofed as being from you is quite common. They didn't authenticate as your user according to the logs you posted, so there's nothing to worry about there.

[phoenix]

Originally Posted by wooby

receiving a mail (spoofed) from my own account and landed up in my spam folder

Search the forums (and the internet) for the word 'backscatter', you'll find some details on how to improve the anti-spam system against backscatter.

[wooby]

I can find that such mails have been sent to a no.of accounts and landed in their SPAM folder.
Does this mean security issues or bad set up//
Pleas suggest