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Subject Topic: command not recognize MailBee 11.2.0.599 Post ReplyPost New Topic
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berapp
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Posted: 08 July 2021 at 9:39am | IP Logged Quote berapp

I'm running a postfix server that relays emails from software using MailBee 11.2.0.599. Occasionally the emails sitting in the outgoing folder are renamed from .EML to .BAD. When I look at the logs on my mail server I see entries like this:


Jul 5 07:30:53 kingaire postfix/smtpd[14677]: connect from unknown[10.203.1.10]
Jul 5 07:30:53 kingaire postfix/smtpd[14677]: smtp_stream_setup: maxtime=300 enable_deadline=0
Jul 5 07:30:53 kingaire postfix/smtpd[14677]: > unknown[10.203.1.10]: 220 kingaire.northtrailrv.com ESMTP Postfix (Ubuntu)
Jul 5 07:30:53 kingaire postfix/smtpd[14677]: < unknown[10.203.1.10]: XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
Jul 5 07:30:53 kingaire postfix/smtpd[14677]: match_string: smtpd_forbidden_commands: xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx ~? connect
Jul 5 07:30:53 kingaire postfix/smtpd[14677]: match_string: smtpd_forbidden_commands: xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx ~? get
Jul 5 07:30:53 kingaire postfix/smtpd[14677]: match_string: smtpd_forbidden_commands: xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx ~? post
Jul 5 07:30:53 kingaire postfix/smtpd[14677]: match_list_match: XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX: no match
Jul 5 07:30:53 kingaire postfix/smtpd[14677]: > unknown[10.203.1.10]: 502 5.5.2 Error: command not recognized
Jul 5 07:30:53 kingaire postfix/smtpd[14677]: < unknown[10.203.1.10]: X?
Jul 5 07:30:53 kingaire postfix/smtpd[14677]: match_string: smtpd_forbidden_commands: x ~? connect
Jul 5 07:30:53 kingaire postfix/smtpd[14677]: match_string: smtpd_forbidden_commands: x ~? get
Jul 5 07:30:53 kingaire postfix/smtpd[14677]: match_string: smtpd_forbidden_commands: x ~? post
Jul 5 07:30:53 kingaire postfix/smtpd[14677]: match_list_match: X: no match
Jul 5 07:30:53 kingaire postfix/smtpd[14677]: > unknown[10.203.1.10]: 502 5.5.2 Error: command not recognized
Jul 5 07:30:53 kingaire postfix/smtpd[14677]: < unknown[10.203.1.10]: XXXXXXXXXXX
Jul 5 07:30:53 kingaire postfix/smtpd[14677]: match_string: smtpd_forbidden_commands: xxxxxxxxxxx ~? connect
Jul 5 07:30:53 kingaire postfix/smtpd[14677]: match_string: smtpd_forbidden_commands: xxxxxxxxxxx ~? get
Jul 5 07:30:53 kingaire postfix/smtpd[14677]: match_string: smtpd_forbidden_commands: xxxxxxxxxxx ~? post
Jul 5 07:30:53 kingaire postfix/smtpd[14677]: match_list_match: XXXXXXXXXXX: no match
Jul 5 07:30:53 kingaire postfix/smtpd[14677]: > unknown[10.203.1.10]: 502 5.5.2 Error: command not recognized
Jul 5 07:35:53 kingaire postfix/smtpd[14677]: smtp_get: timeout
Jul 5 07:35:53 kingaire postfix/smtpd[14677]: > unknown[10.203.1.10]: 421 4.4.2 kingaire.northtrailrv.com Error: timeout exceeded
Jul 5 07:35:53 kingaire postfix/smtpd[14677]: timeout after UNKNOWN from unknown[10.203.1.10]
Jul 5 07:35:53 kingaire postfix/smtpd[14677]: disconnect from unknown[10.203.1.10] unknown=0/3 commands=0/3



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berapp
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Posted: 08 July 2021 at 9:43am | IP Logged Quote berapp

Note the X's are not from me redacting information. That's exactly how it appears in the log.
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Alex
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Posted: 08 July 2021 at 10:32am | IP Logged Quote Alex

If your mail server redacts the data in the logs, it's hard to tell. Maybe there is a way to suppress this in there.

Regards,
Alex
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berapp
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Posted: 08 July 2021 at 11:16am | IP Logged Quote berapp

It's not the mail server doing that. That's what seems to be coming from MailBee.

Here is the greeting from the server
[14677]: > unknown[10.203.1.10]: 220 kingaire.northtrailrv.com ESMTP Postfix (Ubuntu)

Followed by the first command from MailBee
[14677]: < unknown[10.203.1.10]: XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Followed by the server saying, "What?"
[14677]: > unknown[10.203.1.10]: 502 5.5.2 Error: command not recognized

Followed by MailBee saying, "X"
[14677]: < unknown[10.203.1.10]: X?

And the server once again saying, "WHAT?"
14677]: > unknown[10.203.1.10]: 502 5.5.2 Error: command not recognized

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Alex
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Posted: 09 July 2021 at 1:02am | IP Logged Quote Alex

MailBee cannot do that (unless you're explicitly sending such commands). Maybe there is some software in the middle.

Regards,
Alex
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