Sendmail outputs "collect: premature EOM: unexpected close"
Issue
-
A smtp client does not transmit some mails. I look receiver host's /var/log/maillog, and the following messages are output.
- Pattern 1
May 24 11:41:36 hostname sendmail[2706]: o4O2aLvc002706: collect: premature EOM: unexpected close May 24 11:41:36 hostname sendmail[2706]: o4O2aLvc002706: collect: unexpected close on connection from [10.xx.xxx.x], sender=<*********@**.****.co.jp>- Pattern 2
Feb 26 08:32:53 hostname sendmail[18713]: o1PNNejK018713: collect: premature EOM: Connection reset by [10.xx.xxx.xxx] Feb 26 08:32:53 hostname sendmail[18713]: o1PNNejK018713: SYSERR(root): collect: I/O error on connection from [10.xx.xxx.xxx], from=<xxxx@xxx.xxx.xxx.com>
Environment
- Red Hat Enterprise Linux 4
- Red Hat Enterprise Linux 5
- sendmail
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