Postfix vs MailScanner : Slow Incoming Queue
ram at netcore.co.in
Wed Nov 7 11:02:09 GMT 2007
On Wed, 2007-11-07 at 11:05 +1100, R Wahyudi wrote:
> Hi All,
> We have bunch of postfix server to filter spam for incoming mail.
> These servers sits in front of actual mail server.
> For some reason mail delivery is slow because email is sitting in
> incoming queue
> for too long. Most of these files have 0700 permission.
> I have read http://www.postfix.org/QSHAPE_README.html#incoming_queue.
> In the document it stated that :
> "The main factors slowing down the queue manager are disk I/O and
> lookup queries to the trivial-rewrite service. "
> In my case, I think the disk and lookup queries are fast enough.
> Lookup queries is done locally from
> hash file. I also don't think there is no correlation between disk IO
> utilization and the number of email in incoming queue.
> postfix spool directory mounted on reiserfs partition with notail and
Please give more details
How many mails do you receive per hour , what checks do you at MTA etc.
How many mails really go into hold queue per hour
What is the delay in mails you are seeing
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