"lost connection with xxxx.com[123.123.123.123] while sending end of data -- message may be sent more than once” in /var/log/message
Issue
- Mail is deferred with below messages:
postfix/smtp: lost connection with xxxx.com[123.123.123.123] while sending end of data -- message may be sent more than once
- After retries, the deferred mail can be sent successfully.
Environment
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Postfix
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