Всем привет. Есть почтовый сервер MDaemon 12.5.3. В целом работает нормально, но некоторые сервера не принимают с него почту. При этом возвращается сообщение "Постоянная ошибка доставки" следующего содержания:
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Уведомление о состоянии доставки MDaemon -
http://www.altn.com/MDaemon/dsn/ --------------------------------------------------------------------------
Прикрепленное сообщение Failed address: gonchar@microscop.ru
--- Session Transcript ---
Fri 2012-02-03 00:41:04: Parsing message <xxxxxxxxxxxxxxxxxxxxxxxx\pd35000001780.msg>
Fri 2012-02-03 00:41:04: * From: sevimi@iinc-dubna.ru
Fri 2012-02-03 00:41:04: * To: gonchar@microscop.ru
Fri 2012-02-03 00:41:04: * Subject: test5
Fri 2012-02-03 00:41:04: * Size (bytes): 1226
Fri 2012-02-03 00:41:04: * Message-ID: <WC20120202204100.160001@iinc-dubna.ru>
Fri 2012-02-03 00:41:04: Attempting SMTP connection to [microscop.ru]
Fri 2012-02-03 00:41:04: Resolving MX records for [microscop.ru] (DNS Server: 192.168.10.1)...
Fri 2012-02-03 00:41:04: * P=005 S=002 D=microscop.ru TTL=(26) MX=[mx02.nicmail.ru]
Fri 2012-02-03 00:41:04: * P=010 S=000 D=microscop.ru TTL=(26) MX=[mx01.nicmail.ru]
Fri 2012-02-03 00:41:04: * P=020 S=001 D=microscop.ru TTL=(26) MX=[mx03.nicmail.ru]
Fri 2012-02-03 00:41:04: Attempting SMTP connection to [mx02.nicmail.ru:25]
Fri 2012-02-03 00:41:04: Resolving A record for [mx02.nicmail.ru] (DNS Server: 192.168.10.1)...
Fri 2012-02-03 00:41:04: * D=mx02.nicmail.ru TTL=(9) A=[194.85.88.229]
Fri 2012-02-03 00:41:04: Attempting SMTP connection to [194.85.88.229:25]
Fri 2012-02-03 00:41:04: Waiting for socket connection...
Fri 2012-02-03 00:41:05: * Winsock Error 10061 Другой хост либо лежит, либот отказался соединяться с вами на этом IP и/или порте.
Fri 2012-02-03 00:41:05: * 194.85.88.229 added to connection failure cache for 5 minutes
Fri 2012-02-03 00:41:05: Attempting SMTP connection to [mx01.nicmail.ru:25]
Fri 2012-02-03 00:41:05: Resolving A record for [mx01.nicmail.ru] (DNS Server: 192.168.10.1)...
Fri 2012-02-03 00:41:05: * D=mx01.nicmail.ru TTL=(8) A=[194.85.88.232]
Fri 2012-02-03 00:41:05: * D=mx01.nicmail.ru TTL=(8) A=[194.85.88.233]
Fri 2012-02-03 00:41:05: * D=mx01.nicmail.ru TTL=(8) A=[194.85.88.235]
Fri 2012-02-03 00:41:05: * D=mx01.nicmail.ru TTL=(8) A=[194.85.88.238]
Fri 2012-02-03 00:41:05: * D=mx01.nicmail.ru TTL=(8) A=[194.85.88.242]
Fri 2012-02-03 00:41:05: * D=mx01.nicmail.ru TTL=(8) A=[194.85.88.230]
Fri 2012-02-03 00:41:05: Randomly picked 194.85.88.232 from list of A records
Fri 2012-02-03 00:41:05: Attempting SMTP connection to [194.85.88.232:25]
Fri 2012-02-03 00:41:05: Waiting for socket connection...
Fri 2012-02-03 00:41:05: * Connection established (212.59.96.10:64419 -> 194.85.88.232:25)
Fri 2012-02-03 00:41:05: Waiting for protocol to start...
Fri 2012-02-03 00:41:37: <-- 220 mx01.nicmail.ru ESMTP
Fri 2012-02-03 00:41:37: --> EHLO mail.iinc-dubna.ru
Fri 2012-02-03 00:41:37: <-- 250-mx01.nicmail.ru Hello mail.iinc-dubna.ru [212.59.96.10]
Fri 2012-02-03 00:41:37: <-- 250-SIZE 31457280
Fri 2012-02-03 00:41:37: <-- 250-PIPELINING
Fri 2012-02-03 00:41:37: <-- 250 HELP
Fri 2012-02-03 00:41:37: --> MAIL From:<sevimi@iinc-dubna.ru> SIZE=1226
Fri 2012-02-03 00:41:37: <-- 550 sevimi@iinc-dubna.ru unknown user account
Fri 2012-02-03 00:41:37: --> QUIT
Fri 2012-02-03 00:41:37: Attempting SMTP connection to [mx03.nicmail.ru:25]
Fri 2012-02-03 00:41:37: Resolving A record for [mx03.nicmail.ru] (DNS Server: 192.168.10.1)...
Fri 2012-02-03 00:41:37: * D=mx03.nicmail.ru TTL=(24) A=[194.85.88.237]
Fri 2012-02-03 00:41:37: Attempting SMTP connection to [194.85.88.237:25]
Fri 2012-02-03 00:41:37: Waiting for socket connection...
Fri 2012-02-03 00:41:37: * Connection established (212.59.96.10:64424 -> 194.85.88.237:25)
Fri 2012-02-03 00:41:37: Waiting for protocol to start...
Fri 2012-02-03 00:41:37: <-- 220 mx03.nicmail.ru ESMTP
Fri 2012-02-03 00:41:37: --> EHLO mail.iinc-dubna.ru
Fri 2012-02-03 00:41:37: <-- 250-mx03.nicmail.ru Hello mail.iinc-dubna.ru [212.59.96.10]
Fri 2012-02-03 00:41:37: <-- 250-SIZE 31457280
Fri 2012-02-03 00:41:37: <-- 250-PIPELINING
Fri 2012-02-03 00:41:37: <-- 250 HELP
Fri 2012-02-03 00:41:37: --> MAIL From:<sevimi@iinc-dubna.ru> SIZE=1226
Fri 2012-02-03 00:41:37: <-- 550 sevimi@iinc-dubna.ru unknown user account
Fri 2012-02-03 00:41:37: --> QUIT
--- End Transcript ---
Причем с mail.ru письма на адрес получателя уходят нормально. Также нормально уходят письма на mail.ru c адреса отправителя. Не пойму, в чем тут проблема.