smtp_debug output on Windows Server with IIS?

I'm trying to figure out a brand new SMTP issue that is occurring with our =
bugzilla installation:   Windows Server 2012, IIS, and the standard install=
 package of perl and bugzilla.  All users are now seeing:

"There was an error sending mail from 'someone' to 'someone else': unable t=
o establish SMTP connection to ...."

I suspect that corporate IT is up to some shenanigans and broke something (=
it's happened before).  So I went to the IIS log files, and they show nothi=
ng about an SMTP error.  I enabled smtp_debug - I can find no additional in=
formation.  Where is the SMTP debug output?

FWIW, I can ping and telnet into the smtp server.  It seems to be working f=
ine.
0
Charles
9/8/2020 4:46:58 PM
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Guten Tag Charles Gilley,
am Dienstag, 8. September 2020 um 18:46 schrieben Sie:

> "There was an error sending mail from 'someone' to 'someone else':
> unable to establish SMTP connection to ...."

> I suspect that corporate IT is up to some shenanigans and broke
> something (it's happened before).

Reads like firewall, maybe application level for IIS only?

> So I went to the IIS log files,
> and they show nothing about an SMTP error.  I enabled smtp_debug - I
> can find no additional information.  Where is the SMTP debug output?

It's simply printed to STDOUT or STDERR, not sure currently. In case
of Apache HTTPd things are logged to default error_log files in the
end. Neither Bugzilla nor SMTP-libs use some additional special other
file, so if you find nothing in Event Viewer etc., have a look at your
setup regarding STDOUT+STDERR.

Mit freundlichen Gr=FC=DFen,

Thorsten Sch=F6ning

--=20
Thorsten Sch=F6ning       E-Mail: Thorsten.Schoening@AM-SoFT.de
AM-SoFT IT-Systeme      http://www.AM-SoFT.de/

Telefon...........05151-  9468- 55
Fax...............05151-  9468- 88
Mobil..............0178-8 9468- 04

AM-SoFT GmbH IT-Systeme, Brandenburger Str. 7c, 31789 Hameln
AG Hannover HRB 207 694 - Gesch=E4ftsf=FChrer: Andreas Muchow

0
windows
9/8/2020 5:18:30 PM
Thortsen,

  Danke.  I had not thought of the firewall issue.  Any time a web server gets involved, things get tricky.  STDERR/STDOUT - I'll track this down and for the sake of Bugzilla follow up with what I find.

Charles
0
Charles
9/9/2020 11:20:12 AM
Okay, issue is resolved.  Thortsen your clue about the web server gave me s=
ome ideas as to where the problem might be.  Last week, IT was debugging an=
other issue on this machine and turned off CGI Impersonation.  Flipping it =
back on and restarting the web server resolved the issue.

cg
0
Charles
9/9/2020 2:14:08 PM
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