Hi,

How to reproduce:
1) Have two computers running courier-mta (v 0.53.3) -- sender's and
recipient's.
2) In smtpaccess make settings for 127.0.0.1:

127.0.0.1       allow,RELAYCLIENT,MIME=7bit

3) issue makesmtpaccess
4) on sender's computer telnet to localhost port 25 and send test
message and make sure it is delivered to recipient's mailbox
5) on sender's computer telnet to localhost port 25, use the same
parameters for ehlo, mail from and rcpt to commands. After data command
send:
Mime-Version: 1.0
Content-Type: text/html; charset=windows-1257
Content-Transfer-Encoding: quoted-printable
Subject: problem demonstration

123456789 123456789 123456789 123456789 123456789 =
[repeat line above 22 times, make sure last line ends with =]
.
quit

Expected result - message with lots of numbers in recipients mailbox.
Actual result - message sitting in sender's server's mail queue until
expires.

I know, that removing MIME=7bit would let this message through. I put
that setting to demonstrate that there is a problem in courier-only
setup. In real world courier does the same transformations and fails to
send messages if remote ESMTP server does not advertize 8BITMIME extension.


-- 
Aidas Kasparas
IT administrator
GM Consult Group, UAB

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