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mili
2005 Jul 06
3
sendmail + plain auth
...39;)
So basically, LOGIN and PLAIN should be offered when SSL/TLS is in use (but not
for plaintext sessions). However, when connecting over TLS, sendmail doesn't
advertise them:
$ openssl s_client -connect localhost:465
[ SSL/TLS handshake output deleted, AES256 cipher was used ]
220 testbox.miliv.org ESMTP Unauthorized access prohibited
EHLO localhost
250-testbox.miliv.org Hello localhost [127.0.0.1], pleased to meet you
250-ENHANCEDSTATUSCODES
250-PIPELINING
250-8BITMIME
250-SIZE
250-DELIVERBY
250 HELP
Attempt to "brute-force" use them results in error (as expected):
AUTH PLAIN...