20 REPLY "AUTH CRAM-MD5" + Rubbish
21 REPLY * -ERR AUTH exchange cancelled by client
23 REPLY dXNlcgB1c2VyAHNlY3JldA== +OK Login successful
46 POP3 CRAM-MD5 authentication with SASL downgrade
49 pop3://%HOSTIP:%POP3PORT/879 -u user:secret
54 # Verify data after the test has been "shot"
61 dXNlcgB1c2VyAHNlY3JldA==
\r