Aug  5 01:54:16 mail postfix/smtpd[13161]: smtpd_sasl_authenticate: sasl_method LOGIN
Aug  5 01:54:16 mail postfix/smtpd[13161]: smtpd_sasl_authenticate: uncoded challenge: Username:
Aug  5 01:54:16 mail postfix/smtpd[13161]: > CPE000f3d5b19e1-CM00e06f241830.cpe.net.cable.rogers.com[70.30.234.8]: 334 VXNlcm5hbWU6
Aug  5 01:54:16 mail postfix/smtpd[13161]: < CPE000f3d5b19e1-CM00e06f241830.cpe.net.cable.rogers.com[70.30.234.8]: amFtZXNANDlzdG1haWwuc2l0ZW1hZmlhLmNvbQ==
Aug  5 01:54:16 mail postfix/smtpd[13161]: smtpd_sasl_authenticate: decoded response: james@49stmail.sitemafia.com
Aug  5 01:54:16 mail postfix/smtpd[13161]: smtpd_sasl_authenticate: uncoded challenge: Password:
Aug  5 01:54:16 mail postfix/smtpd[13161]: > CPE000f3d5b19e1-CM00e06f241830.cpe.net.cable.rogers.com[70.30.234.8]: 334 UGFzc3dvcmQ6
Aug  5 01:54:16 mail postfix/smtpd[13161]: < CPE000f3d5b19e1-CM00e06f241830.cpe.net.cable.rogers.com[70.30.234.8]: xxxxxxx
Aug  5 01:54:16 mail postfix/smtpd[13161]: smtpd_sasl_authenticate: decoded response: xxxxx
Aug  5 01:54:16 mail postfix/smtpd[13161]: warning: CPE000f3d5b19e1-CM00e06f241830.cpe.net.cable.rogers.com[70.30.234.8]: SASL LOGIN authentication failed
Aug  5 01:54:16 mail postfix/smtpd[13161]: > CPE000f3d5b19e1-CM00e06f241830.cpe.net.cable.rogers.com[70.30.234.8]: 535 Error: authentication failed

mail:/etc/postfix# testsaslauthd -u james@49stmail.sitemafia.com -p xxxxx
0: OK "Success."