[CentOS] Postfix dying

[Christopher Chan]

Paul Norton wrote:
> Christopher Chan wrote:
>> Paul Norton wrote:
>  >
>>> Postfix is dying on one of my servers almost nightly.  This system is 
>>> running CentOS5 with postfix-2.3.3-2.
>>>
>>> In the morning (after noticing it died) I try to run `service postfix 
>>> stop` and I get a failed start.  Running `ps ax | grep postfix` I can 
>>> see one process still running for postfix.  After killing this, I am 
>>> able to run `service postfix start`.
>>
>> Which process is it? smtpd? master?
> 
> Master
> 

Do you sometimes find anvil missing? I wonder if you can strace master 
and see what it is doing or waiting for...