Sendmail envelopes
I run a relatively busy Majordomo mailing list over a slow UUCP dialup link
(using Sendmail). I have always assumed that when sendmail sends a mail to
more than one address, it ques two files: the envelope containing the
recipients, and the message contents itself. The smarthost would take those
files and sort out the addressing bit.
What I observe with the mailing list is, that multiple envelopes are
created, each containing 24 addresses. This means that when my list contains
500 members, 21 uucp files are generated (and sent) in stead of the expected
1. Over my slow link, this consumes quite a lot of phone costs.
I was wondering is this number of 24 is one of sendmails (many)
configuration options, and if it can be adjusted safely in some way? Or
would that be a sin against some holy RFC of mail protocols?
Thanks a lot,
Erik van der Meulen <erik@avondel.xs4all.nl>
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