[Mailman-Users] MS Exchange as a relay computer?

Ralf Hildebrandt Ralf.Hildebrandt at charite.de
Tue Jan 28 16:05:32 CET 2003

* alex wetmore <alex at phred.org>:

> I have my Exchange setup to allow 500 recipients per message.  Mailman
> is also configured to send 500 recipients per message.  As a result
> all 55 aol.com, 65 yahoo.com, or 51 hotmail.com recipients on my
> largest list are send to Exchange on the same message.  Exchange can
> send a single message to handle all of those recipients instead of
> sending 5 or 10 as would occur when using the recommended batching of
> 10 recipients per message for postfix and other popular Unix-based
> MTAs.

This is not true for postfix. 

> Exchange 2000 has no problem sending the same message to multiple
> domains at the same time.  The remote deliver agent on most Unix MTAs
> can only send to one domain at a time

This is not true for postfix.

> so if you set the batching to 500 then you single thread your
> delivery and it can take forever for messages to get out.

This is not true for postfix.

Ralf Hildebrandt (Im Auftrag des Referat V a)   Ralf.Hildebrandt at charite.de
Charite Campus Mitte                            Tel.  +49 (0)30-450 570-155
Referat V a - Kommunikationsnetze -             Fax.  +49 (0)30-450 570-916
Why you can't find your system administrators:
On the roof of the building, contemplating. -- Johan van Zanten johan at habanero.evtech.com

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