Re: DBMail logging revisited

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Found another interesting one.

In the linked Docker setup, if errorlog is commented out then LHLO
silently fails and kills the connection. With it uncommented, I can
get a log and delivery from OpenSMTPD seems to work.

Can anyone else confirm? Wondering if this is due to the Docker
container not providing syslog? I'd hoped that starting with -v, which
the help claims logs to STDOUT/STDERR, would circumvent this.

Thanks.

On 9/7/2014 12:10 PM, Nolan Darilek wrote:
> Hello.
> 
> A couple months back, I posted about having issues with DBMail's
> LMTP server not logging. Since then, I ran into issues getting
> OpenSMTPD talking to it and thought it was at fault, but after an
> exchange on the OpenSMTPD listserve/issue tracker, the ball appears
> to be back in DBMail's court. :)
> 
> Ultimately I think I've tracked the issue down. It was likely a 
> permissions problem. But I had trouble with DBMail's logging.
> 
> In particular, despite setting log levels to 255/511, and starting 
> dbmail-lmtp with -D and -vD, no logs were printed to the console
> even after multiple failed sessions where I was able to talk to the
> server. Ultimately I debugged the issue by starting dbmail-lmtp in
> the background in a container, installing telnet/vim to update
> config files and run an LMTP session by hand, and studying the 
> /var/log/dbmail.* logs. But it'd be a lot easier if I could make 
> DBMail output its logs to stdout/stderr so Docker can have access
> to them.
> 
> I'm posting a link to a tarball. It contains my Dockerfile, config 
> file, and 2 systemd units that I'm using to start LMTP/IMAP
> servers under CoreOS. I'm not setting a CMD in the Dockerfile since
> there are lots of DBMail entrypoints (IMAP/LMTP/spinning up a shell
> to administer users) and picking one seems a bit silly. If anyone
> can poke this setup and figure out if I can make it log to the
> console, that'd be helpful. Please let me know if I can provide
> anything else.
> 
> Thanks!
> 
> https://dl.dropboxusercontent.com/u/147071/dbmail.tar.gz
> 
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