[Mailman-Users] High usage -- making Mailman "nice"

Mark Sapiro msapiro at value.net
Fri Dec 9 02:50:47 CET 2005

John Dennis wrote:
>If your MTA can only handle one, or a small number of client connections
>then each connection will be busy handling SMTP_MAX_RCPTS and other
>client connections will queue up. If you have 4,000 recipients then you
>have the potential to tie up 8 SMTP client connections.

I don't think this is correct. Unless there are multiple outgoing
runners processing slices, I don't see how SMTP delivery is
multi-threaded, and even if there are multiple runners, a single
message to even 4000 recipients is going to be processed in its
entirety by one runner.

Mark Sapiro <msapiro at value.net>       The highway is for gamblers,
San Francisco Bay Area, California    better use your sense - B. Dylan

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