# plaintext client tests need_ipv4 # server PORT_S 220 ESMTP EHLO 250-OK 250-HELP 250 AUTH LOGIN AUTH LOGIN 334 VXNlciBOYW1l dXNlcng 334 UGFzc3dvcmQ= c2VjcmV0 235 Authentication successful MAIL FROM: 250 Sender OK RCPT TO: 250 Recipient OK DATA 354 Send data . 250 OK QUIT 250 OK **** exim -odi userx@domain.com . **** server PORT_S 220 ESMTP EHLO 250-OK 250-HELP 250 AUTH PLAIN AUTH PLAIN AHVzZXJ4AHNlY3JldA== 235 Authentication successful MAIL FROM: 250 Sender OK RCPT TO: 250 Recipient OK DATA 354 Send data . 250 OK QUIT 250 OK **** exim -odi userx@domain.com . **** server PORT_S 220 ESMTP EHLO 250-OK 250-HELP 250 AUTH PLAIN AUTH PLAIN AHVzZXJ4AHNlY3JldA== 535 Sorry, authentication failed MAIL FROM: 250 Sender OK RCPT TO: 250 Recipient OK DATA 354 Send data . 250 OK QUIT 250 OK **** exim -odi userx@domain.com . **** server PORT_S 220 ESMTP EHLO 250-OK 250-HELP 250 AUTH LOGIN AUTH LOGIN **** exim -odi userx@domain.com . **** # Authentication required, but fails # Get rid of retry first sudo rm spool/db/* server PORT_S 220 ESMTP EHLO 250-OK 250-HELP 250 AUTH PLAIN AUTH PLAIN AHVzZXJ4AHNlY3JldA== 535 Sorry, authentication failed QUIT 250 OK **** exim -odi userx@authdomain.com . **** # Authentication required, but not offered server PORT_S 220 ESMTP EHLO 250-OK 250 HELP QUIT 250 OK **** exim -odi userx@authdomain.com . **** # Forced AUTH sender server PORT_S 220 ESMTP EHLO 250-OK 250-HELP 250 AUTH LOGIN AUTH LOGIN 334 VXNlciBOYW1l dXNlcng 334 UGFzc3dvcmQ= c2VjcmV0 235 Authentication successful MAIL FROM: 250 Sender OK RCPT TO: 250 Recipient OK DATA 354 Send data . 250 OK QUIT 250 OK **** exim -odi forcesender@domain.com . **** no_msglog_check