[Mailman-Users] Server Overload Issues

[Fortney, James T.]

Barry, Mark, et all -

I use multiple Mailman implementations on several ISPs and am 
generally very pleased with its operation.  I have one issue that 
seems to exist to one degree or another with all of them and I would 
appreciate some insight from the experienced users.

I have problems on my larger lists (they range from 85 to 420 
members) with loss of outgoing mail.  I have been able to identify 
what are apparently multiple reasons for these problems.  All of them 
seem to be associated with server overload.

At least one of my ISPs had a default limit of 50 outgoing messages 
per hour (I do not know how this control is implemented).  Obviously, 
this kind of limit resulted in some of the list members never 
receiving any mail and everyone being cut-out if more than one 
message was sent during the metering period.  Unfortunately, even the 
ISPs without the metering limit seem to have problems handling the 
large volume burst created when a message is sent to a list exceeding 
80-100 members.

I have been told that some less full featured mailing list 
applications have metering capabilities included in them but I would 
prefer to stick with Mailman.

Obviously, solutions like breaking up my lists into smaller lists 
would only help in a limited number of instances.  I need a better 
solution, especially for my lists that are interactive (Discussion).

Can anyone offer any insight or suggestions?

Who else is having this problem?

- JimF

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James T. Fortney
Jim at Fortney.org
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