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http://bugs.exim.org/show_bug.cgi?id=711
Summary: If spamd times out: Mail is accepted but "417 Temporary
delivery error" is sent
Product: Exim
Version: 4.68
Platform: x86
OS/Version: Linux
Status: NEW
Severity: bug
Priority: high
Component: Mail Receipt
AssignedTo: nigel@???
ReportedBy: tropfstein@???
CC: exim-dev@???
I scan my incoming mails with the ACL directive "spam" and I've set "defer_ok"
It seems to me, that this is not working in any circumstances. Here
are 3 examples:
1) I set spamd_address to an inexistent device
The log says
spam acl condition: warning - spamd connection to 127.0.0.5, port 783
failed: Connection refused
spam acl condition: all spamd servers failed
[...]
Completed
The mail is accepted and all is good
2) I drop the tcp connection with my firewall
The log sasy
spam acl condition: warning - spamd connection to 127.0.0.1, port 783
failed: Connection timed out
spam acl condition: all spamd servers failed
[...]
Completed
The mail is accepted and all is good again
3) My log shows some entries like
spam acl condition: error reading from spamd socket: Connection timed out
[...]
Completed
I was not able to reproduce this error but I think that there are not
enough child processes of spamd available.
According to the sending mailserver, this is what happened:
> > ErrCode = -162
> ErrString = End of socket stream data
> SMAIL SMTP-Send MX = "domain1.tld." SMTP = "domain2.tld" From = "user@???
> " To = "user@???" Failed !
> SMTP-Error = "417 Temporary delivery error"
> SMTP-Server = "domain1.tld."
To my understanding, this mail should have been accepted as in the two
examples before - without sending out a temporary error.
This bug caused multiple copies of the same message and may is related to
http://bugs.exim.org/show_bug.cgi?id=404
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