Настроил Postfix-Dspam-Clamav.
Почта отправляется. Ок!!
НЕ ПРИНИМАЕТСЯ

Вот лог
Apr 18 14:02:49 m3 postfix/smtpd[1329]: initializing the server-side TLS engine
Apr 18 14:02:49 m3 postfix/smtpd[1329]: connect from f54.mail.ru[194.67.57.89]
Apr 18 14:02:49 m3 postfix/smtpd[1329]: A16296EB062: client=f54.mail.ru[194.67.57.89]
Apr 18 14:02:49 m3 postfix/cleanup[1332]: A16296EB062: message-id=<E1FVn2n-000G01-00.dm765-mail-ru@f54.mail.ru>
Apr 18 14:02:49 m3 postfix/qmgr[772]: A16296EB062: from=<dm765@mail.ru>, size=864, nrcpt=1 (queue active)
Apr 18 14:02:49 m3 postfix/smtpd[1329]: disconnect from f54.mail.ru[194.67.57.89]
Apr 18 14:02:50 m3 postfix/smtpd[1334]: initializing the server-side TLS engine
Apr 18 14:02:50 m3 postfix/smtpd[1334]: connect from localhost.m3.ttk.ru[127.0.0.1]
Apr 18 14:02:50 m3 postfix/smtpd[1334]: 543B56EB063: client=localhost.m3.ttk.ru[127.0.0.1]
Apr 18 14:02:50 m3 postfix/cleanup[1332]: 543B56EB063: message-id=<E1FVn2n-000G01-00.dm765-mail-ru@f54.mail.ru>
Apr 18 14:02:50 m3 postfix/qmgr[772]: 543B56EB063: from=<dm765@mail.ru>, size=1213, nrcpt=1 (queue active)
Apr 18 14:02:50 m3 postfix/local[1335]: 543B56EB063: to=<abc@m3.ttk.ru>, relay=local, delay=0, status=bounced (unknown user: "abc")
Apr 18 14:02:50 m3 postfix/cleanup[1332]: 8DDDF6EB066: message-id=<20060418100250.8DDDF6EB066@m3.ttk.ru>
Apr 18 14:02:50 m3 postfix/qmgr[772]: 8DDDF6EB066: from=<>, size=2820, nrcpt=1 (queue active)
Apr 18 14:02:50 m3 postfix/qmgr[772]: 543B56EB063: removed
Apr 18 14:02:50 m3 postfix/smtpd[1334]: disconnect from localhost.m3.ttk.ru[127.0.0.1]
Apr 18 14:02:50 m3 postfix/lmtp[1333]: A16296EB062: to=<abc@m3.ttk.ru>, relay=127.0.0.1[127.0.0.1], delay=1, status=sent (250 2.6.0 <abc@m3.ttk.ru> Message accepted for delivery)
Apr 18 14:02:50 m3 postfix/qmgr[772]: A16296EB062: removed
Apr 18 14:02:52 m3 postfix/smtp[1337]: 8DDDF6EB066: to=<dm765@mail.ru>, relay=mxs.mail.ru[194.67.23.20], delay=2, status=sent (250 OK id=1FVn2o-0002do-00)
Apr 18 14:02:52 m3 postfix/qmgr[772]: 8DDDF6EB066: removed
Отправитель получает такой ответ
The Postfix program
<abc@m3.ttk.ru>: unknown user: "abc"
--------------------------------------------------------------------------------
Reporting-MTA: dns; m3.ttk.ru
X-Postfix-Queue-ID: 543B56EB063
X-Postfix-Sender: rfc822; dm765@mail.ru
Arrival-Date: Tue, 18 Apr 2006 14:02:50 +0400 (MSD)
Final-Recipient: rfc822; abc@m3.ttk.ru
Action: failed
Status: 5.0.0
Diagnostic-Code: X-Postfix; unknown user: "abc"