Mail delay at MailScanner

[shyam hirurkar]

Hi All,

I am using MailScanner with postfix and mail flow is normal till these days
and now i am finding the mail delay's regularly ,

When i went through the log and found mails are going in hold after that a
long delay and reque of the mail is happening and mail will sent
successfully.
 here is the log

smtp postfix/smtpd[7879]: B5AD361300F7: client=unknown[192.168.1.1],
sasl_method=LOGIN, sasl_username=username at domain.com
Apr 28 10:45:46 smtp postfix/cleanup[9753]: B5AD361300F7: hold: header
Received: from usename (unknown [192.168.10.156])??(Authenticated sender:
,username>@<domain.com>)??by smtp.domain.com (Postfix) with ESMTP id
B5AD361300F7??for <username@<Domain.com>; Tue, 2 from unknown[192.168.1.1];
from=<username at domain.com> to=<destination> proto=ESMTP helo=<xxxxx>
Apr 28 10:45:46 smtp postfix/cleanup[9753]: B5AD361300F7:
message-id=<003f01c9c7c0$5786f380$0694da80$@com>
Apr 28 15:16:48 smtp MailScanner[598]: Requeue: B5AD361300F7.C8111 to
6E0A36130112
Apr 28 15:16:54 smtp MailScanner[598]: Logging message B5AD361300F7.C8111 to
SQL
Apr 28 15:16:54 smtp MailScanner[11594]: B5AD361300F7.C8111: Logged to
MailWatch SQL
Apr 28 15:16:48 smtp MailScanner[598]: Requeue: B5AD361300F7.C8111 to
6E0A36130112
Apr 28 15:16:54 smtp postfix/qmgr[11586]: 6E0A36130112: from=<
user at domain.com>, size=495880, nrcpt=1 (queue active)
Apr 28 15:16:55 smtp postfix/smtp[1116]: 6E0A36130112: to=<user at domain.com>,
relay=192.168.1.2[192.168.1.1]:25, *delay=16269,
delays=16268/0.43/0.42/0.23, *dsn=2.0.0, status=sent (250 ok 1240912019 qp
3538)
Apr 28 15:16:55 smtp postfix/qmgr[11586]: 6E0A36130112: removed


there is no problem in network since it is in private LAN. This is happening
more frequently now a days, Also I checked on the receiving server i.e
[192.168.1.1] in the above case it s working fine. Also check the LOAD
,mailq etc .. at that point of time nothing found abnormal.

Details :
MailScanner --> Version installed (4.74.16)
SpamAssassin version 3.2.5
  running on Perl version 5.8.8
Postfix mail_version = 2.3.3

What would be the problem?? Is any one facing the same issue??

Thanks in advance.

Shyam
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