Hi Everyone (Sorry for the long post),

I am NEW to both Linux (Fedora Core 4) AND OTRS, and now also going bald :-(

I have installed OTRS 2.0.4 for Fedora Core 1,2,3 as I couldn't find the FC4
version on the downloads page. It installed fine and worked pretty much
first go - once I sorted out the cron jobs, and apache2 stuff  :-)

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1) I have now have a problem where I am only receiving SOME Auto-reply
messages. In the system
Log I can see that otrs says it is sending an auto response but It never
arives.  Customers on external email domains DO RECEIVE auto responses.

This is how I am testing -

Email account A (My usual email account) eg Me@mycompany.com
Email account B (the otrs support email account) eg Support@mycompany.com
Email account C (customer email account) eg Customer@customercompany.com

Test 1) Send Email from Account A to Account B - otrs receives email and
creates ticket and updates log to say 'sent auto response'. AUTO RESPONSE
NEVER RECEIVED.
Test 2) Send Email from Account C to Account B - otrs received email and
creates ticket etc - CUSTOMER DOES RECEIVE auto response email...
Test 3) When ticket from test 1 reaches escalation otrs sends an email about
the escalation (to Account A) and - I DO RECEIVE the escalation email.
Test 4) When I send Notification via the Admin Notification tool on the
admin page - I DO RECEIVE the email.
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2) I have am using the default sendmail settings (which also work from the
command line). (Sendmail is configured to use a smart host for delivery - I
do not host my own mail server at present).
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3) Same linux machine is also used for Nagios notifications and it works
just fine... (just for additional info)
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4) I am getting NO strange errors in /var/log/maillog or /var/log/messages,
and of course no undeliverable mail.
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Questions -

a) How do I trace otrs emails so I can see exactly what sendmail is trying
to do when it is sending Auto responses?
b) Tried using SMTP as well, by editing Config.pm and restarting apache -
but gives same result. - how can I check if it it definately using SMTP and
not still Sendmail?
b) What else should I be looking for?

Please Help, and don't assume I know where anything is :-)

I really like otrs and can't wait to put it into production, but it is not
use until the internal auto response email are sorted out.

Thanks in advance,

Jason.