[rt-users] sendmail error (exited with code 75) - RHEL6

[Raphaël Berlamont]

Hello list,

as debian users, I'm encountering the "sendmail" error, but with RHEL6

Here are the log from "/var/log/httpd/error_log" :
=============
[Tue Sep  4 09:34:43 2012] [info]: <
rt-4.0.7-1945-1346751283-749.7324-10-0 at myfirm.com> #7324/120687 - Scrip 10
On Resolve Notify Requestors
(/opt/rt4/sbin/../lib/RT/Action/SendEmail.pm:301)
sendmail: fatal: edos at myfirm.com(48): No recipient addresses found in
message header
[Tue Sep  4 09:34:43 2012] [error]: <
rt-4.0.7-1945-1346751283-749.7324-10-0 at myfirm.com>: `/usr/sbin/sendmail -oi
-t -f edos at myfirm.com` exited with code 75
(/opt/rt4/sbin/../lib/RT/Interface/Email.pm:465)
[Tue Sep  4 09:34:43 2012] [crit]: <
rt-4.0.7-1945-1346751283-749.7324-10-0 at myfirm.com>: Could not send mail
with command `/usr/sbin/sendmail -oi -t -f edos at myfirm.com`: <
rt-4.0.7-1945-1346751283-749.7324-10-0 at myfirm.com>: `/usr/sbin/sendmail -oi
-t -f edos at myfirm.com` exited with code 75 at
/opt/rt4/sbin/../lib/RT/Interface/Email.pm line 466.

Stack:
  [/opt/rt4/sbin/../lib/RT/Interface/Email.pm:466]
  [/opt/rt4/sbin/../lib/RT/Action/SendEmail.pm:308]
  [/opt/rt4/sbin/../lib/RT/Action/SendEmail.pm:128]
  [/opt/rt4/sbin/../lib/RT/ScripAction.pm:232]
  [/opt/rt4/sbin/../lib/RT/Scrip.pm:475]
  [/opt/rt4/sbin/../lib/RT/Scrips.pm:188]
  [/opt/rt4/sbin/../lib/RT/Transaction.pm:201]
  [/opt/rt4/sbin/../lib/RT/Record.pm:1461]
  [/opt/rt4/sbin/../lib/RT/Ticket.pm:3487]
  [/opt/rt4/sbin/../lib/RT/Ticket.pm:3188]
  [/opt/rt4/sbin/../lib/RT/Record.pm:932]
  [/opt/rt4/sbin/../lib/RT/Record.pm:911]
  [/opt/rt4/sbin/../lib/RT/Interface/Web.pm:2256]
  [/opt/rt4/sbin/../lib/RT/Interface/Web.pm:2368]
  [/opt/rt4/share/html/Ticket/Modify.html:81]
  [/opt/rt4/share/html/Ticket/autohandler:19]
  [/opt/rt4/sbin/../lib/RT/Interface/Web.pm:576]
  [/opt/rt4/sbin/../lib/RT/Interface/Web.pm:326]
  [/opt/rt4/share/html/autohandler:53]
(/opt/rt4/sbin/../lib/RT/Interface/Email.pm:470)
=================

I have to restart apache each time I have this error, in other words, 4-5
time yesterday.

This problem appeared yesterday, the last package update was done on July
20th, and the last RT update, 4.0.7, was done 6 days ago.

Here are my system information :
============================================
[root at dgilx202 ~]# uname -a
Linux dgilx202.res.myfirm.org 2.6.32-220.7.1.el6.x86_64 #1 SMP Fri Feb 10
15:22:22 EST 2012 x86_64 x86_64 x86_64 GNU/Linux
[root at dgilx202 ~]# cat /etc/redhat-release
Red Hat Enterprise Linux Server release 6.2 (Santiago)
[root at dgilx202 ~]# cat /etc/httpd/conf.d/rt.conf
<VirtualHost *:80>
        servername rt.myfirm.com
        RewriteEngine On
        RewriteCond %{HTTPS} off
        RewriteRule (.*) https://%{HTTP_HOST}%{REQUEST_URI}
</VirtualHost>

<VirtualHost *:443>
        ### Optional apache logs for RT
        # ErrorLog /opt/rt4/var/log/apache2.error
        # TransferLog /opt/rt4/var/log/apache2.access
        # LogLevel debug
        servername rt.myfirm.com
        AddDefaultCharset UTF-8

        SSLEngine on
        SSLCertificateFile /etc/ssl/certs/rt.myfirm.com.cer
        SSLCertificateKeyFile /etc/ssl/keys/rt.myfirm.com.key

        DocumentRoot "/opt/rt4/share/html"
        <Location />
                Order allow,deny
                Allow from all

                SetHandler modperl
                PerlResponseHandler Plack::Handler::Apache2
                PerlSetVar psgi_app /opt/rt4/sbin/rt-server
        </Location>
        <Perl>
                use Plack::Handler::Apache2;
                Plack::Handler::Apache2->preload("/opt/rt4/sbin/rt-server");
        </Perl>
</VirtualHost>
[root at dgilx202 ~]# rpm -qa | grep mod_perl
mod_perl-2.0.4-10.el6.x86_64
[root at dgilx202 ~]#
============================================

Email::Address version :
============================================
[root at dgilx202 ~]# cpan -D Email::Address
CPAN: Storable loaded ok (v2.20)
Reading '/root/.cpan/Metadata'
  Database was generated on Tue, 04 Sep 2012 10:39:03 GMT
Email::Address
-------------------------------------------------------------------------
        (no description)
        R/RJ/RJBS/Email-Address-1.896.tar.gz
        /usr/local/share/perl5/Email/Address.pm
        Installed: 1.895
        CPAN:      1.896  Not up to date
        Ricardo SIGNES (RJBS)
        rjbs at cpan.org

[root at dgilx202 ~]#
===========================================

The only changes in RT I can notice are :
- more users ;
- news scrips and template.

FI, I restarted apache 3 times during the writing of this email...

Do you have any idea why this is happening ?
-- 
Raphaël Berlamont
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