On 15 Sep 2000 21:34 Dan Horth wrote:
>I tried some tests with sending myself large messages from other
>hosts on our local net and remotely - and the message gets rejected
>by sendmail in the initial handshake - with no mention of a rejection
>in the log files...
There's no actual rejection. The client justs quits before starting the
transaction.
>The servers we're seeing rejection notices may be
>running other transport mechanisms which aren't checking with
>sendmail before starting the transfer and start sending blindly
>before sendmail on our server cuts them off at teh 6Mb limit...
Probably non-ESMTP servers. See my previous post on this topic.
>but then how does sendmail know the total message size to report it
>in the logs?
The message size is logged after it is accepted for delivery.
>hmm... going round in circles with this one - hopefully some sendmail
>guru will be able to fill me in a bit on the mechanisms involved.
RFCs 821, 822, and 1870 are your friends. <http://www.ietf.org/>
>Oh yeah - one other question - is there a way for me to customise the
>rejection messages sendmail gives with "message too large" or
>"unknown user" or "we don't relay" or other errors returned to people
>trying to send us mail?
I'm pretty sure there is, I just don't recall how to do it at the moment.
Check the sendmail FAQ at <http://www.sendmail.org/>.
Tony
--
Anthony E. Greene <[EMAIL PROTECTED]> <http://www.pobox.com/~agreene/>
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Linux. The choice of a GNU Generation. <http://www.linux.org/>
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