[rt-users] RT Sending Email too SLOW

[Ruslan Zakirov]

Hi,

The following may help you http://requesttracker.wikia.com/wiki/SendmailTips

On Fri, Dec 10, 2010 at 12:48 AM, Naresh Maharaj
<naresh at hewittandmay.com> wrote:
> Hi
>
> We really need some help resolving the slow email issue.
> I have been researching this for over 2 weeks now before calling our to
> RT_Users.
> I have searched all of the below,
>
> http://wiki.bestpractical.com/
> http://gossamer-threads.com/lists/rt/
> http://www.google.com/
>
> and much wider across the Internet. Almost given up!!
>
> ++Description:
> Overall there are no issues with email leaving RT - email reaches all
> destinations
> There are no issues raising tickets into the queue via email.
> Overall speed of moving around RT Web front end is fast / acceptable
>
> ++Issue:
> replying to a ticket takes up to 30 seconds to complete and sending the
> email in some cases up to 1 min.
> this is simply prohibitive to use in a professional setup.
>
> ++Other Issues:
> Squirrel Mail (Linux Web Mail) has the same issue, up to 30 seconds to send
> an email - no solution
> SSH to shell remotely same problem 30s - Now resolved by removing the DNS
> lookup: /etc/ssh/sshd_config  [UseDNS no]
> SFTP - Slow 30 sec - fixed by line above
> Sendmail takes 30 sec to send an email from command line test an issue we
> have had with php apps for over a year - now resolved by :
> Edit the sendmail.cfg
>
> Was:
> # pass to name server to make hostname canonical
> R$* $| $* < @ $* > $*          $: $2 < @ $[ $3 $] > $4
>
> Now:
> # pass to name server to make hostname canonical
> #R$* $| $* < @ $* > $*          $: $2 < @ $[ $3 $] > $4
>
> OR
> sendmail.mc
> Add:
> FEATURE(`nocanonify')dnl
>
> then rebuiuld sendmail using m4
>
> Sendmail now blistering fast.
>
> ++RT mail Configuration:
> Previously I was using sendmailpipe
> $MailCommand = 'sendmailpipe';
> $SendmailArguments = "-oi -t";
> $SendmailPath = "/usr/sbin/sendmail";
>
> Now that I have confirmed that Sendmail is NOT the issue I am now using:
> $MailCommand = 'sendmailpipe';
> #$SendmailArguments = "-oi -t";
> $SendmailArguments = "-oi -ODeliveryMode=b -OErrorMode=m";
> $SendmailPath = "/usr/sbin/sendmail";
>
> Also have soft link:
> /etc/smrsh/rt-mailgate -> /opt/rt3/bin/rt-mailgate
>
> Note sure what else to test.
>
> The common denominator here is Apache Http
> So here is the conf entry for RT:
>
>
> [root at caitanya conf]# diff httpd.conf httpd.conf.working.20101126
> 997,1015d996
> < Alias /rt "/opt/rt3/share/html"
> < PerlModule Apache::DBI
> < PerlRequire /opt/rt3/bin/webmux.pl
> < <Directory /opt/rt3/share/html>
> <   AllowOverride All
> <   Options ExecCGI FollowSymLinks
> <   <IfModule mod_access.c>
> <         Order allow,deny
> <       Allow from all
> <   </IfModule>
> < </Directory>
> <
> < <Location /rt>
> <   RewriteEngine On
> <   RedirectMatch permanent (.*)/$ $1/index.html
> <   AddDefaultCharset UTF-8
> <   SetHandler perl-script
> <   PerlHandler RT::Mason
> < </Location>
>
> Appreciate any help that one can give.
> Its the only issue stopping us from moving RT from test environment to
> production.
>
> Naresh Maharaj,
>
> Hewitt & May (Shirtmakers) Ltd
> email: info at hewittandmay.com
> web: http://www.hewittandmay.co.uk
>



-- 
Best regards, Ruslan.