Seems not
Code:
telnet 85.17.200.71 25
Trying 85.17.200.71...
Connected to server.85.17.200.71 (85.17.200.71).
Escape character is '^]'.
220 server.85.17.200.71
ehlo me
250-server.85.17.200.71
250-PIPELINING
250-SIZE 10240000
250-VRFY
250-ETRN
250-STARTTLS
250-AUTH LOGIN PLAIN
250-AUTH=LOGIN PLAIN
250-ENHANCEDSTATUSCODES
250-8BITMIME
250 DSN
AUTH PLAIN AHVzZXJuYW1lAHBhc3N3b3Jk
535 5.7.0 Error: authentication failed: authentication failure
Just wondering... may this have anything with dovecot or it is just postfix?