SMTP SASL UPLOAD # Server-side AUTH OAUTHBEARER XOAUTH2 REPLY AUTH 334 XOAUTH2 supported REPLY %b64[user=user%01auth=Bearer mF_9.B5f-4.1JqM%01%01]b64% 235 Authenticated # Client-side smtp SASL verify default mechanisms are reset by login options mail body smtp://%HOSTIP:%SMTPPORT/%TESTNUMBER --mail-rcpt recipient@example.com --mail-from sender@example.com -u user --oauth2-bearer mF_9.B5f-4.1JqM --login-options "AUTH=XOAUTH2" -T - # Verify data after the test has been "shot" EHLO %TESTNUMBER AUTH XOAUTH2 %b64[user=user%01auth=Bearer mF_9.B5f-4.1JqM%01%01]b64% MAIL FROM:%LTsender@example.com%GT RCPT TO:%LTrecipient@example.com%GT DATA QUIT mail body .