mailing list observations

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Author: mark david mcCreary
Date:  
To: exim-users
Subject: mailing list observations
I am in the process of delivering a message to 8,000 people via Exim and
Smartlist. I used the forward file director to grab the file of 8,000
names.

It took approximately an hour of wall clock time to pre-process this list
before it started delivering. During this time, it kicked out a dozen or
two addresses that did not have an MX record, or the host name was unknown.


Then it started delivering the mail, and I say the remote_max_parallel
gadget kick in, as suddenly 5 jobs are processing this queue. It delivered
approx 1,000 messages, and then all 5 or 6 queues got stuck delivering to
aol.com.

I let the queues run for several hours, deleted the retry database, tried
to freeze and unthaw, and anything else to get exim to give up on the aol
transmissions.

Deleting the secondary queue running jobs going to aol did unstick things,
and allow more deliveries to be made.

Any suggestions on how to work around this in the future ?

Is there any way to control the queues, so that multiple queues don't try
to deliver to the same mail host ?

Thanks for listening.

mark


mark david mcCreary
Internet Tools, Inc.            4615 Post Oak Place, Suite 140
mdm@???          Houston, Texas 77027
http://www.internet-tools.com    713.627.9600