[CentOS] sendmail question

Dan Carl danc at bluestarshows.com
Wed Oct 21 16:44:04 UTC 2009

Les Mikesell wrote:
> Jerry Geis wrote:
>> Hi all,
>> I have a local user account call "panel" on a machine.
>> When I use the mail command to manually send email to the panel account
>> it over 1 minute until that mail actually deposited in the mail account.
>> What setting is that reduces this time?
>> I changed /etc/sysconfig/sendmail the QUEUE=10s and that did not have 
>> any effect.
> You could look at /var/log/maillog to see what steps happened and the 
> timestamps.  My guess is that your DNS is badly broken and it is waiting 
> for the local machine name and/or IP to resolve.  Does 'nslookup' return 
> quickly with these?
My guess would be a resolving problem also.
Its usually what causes sendmail to slow down.
Check your /etc/hosts file

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