SMTP SASL SASL AUTH OAUTH2 SASL-IR RFC4954 RFC6749 RFC7628 # # Server-side AUTH OAUTHBEARER REPLY AUTH 334 eyJzdGF0dXMiOiJpbnZhbGlkX3Rva2VuIiwic2NvcGUiOiJleGFtcGxlX3Njb3BlIiwib3BlbmlkLWNvbmZpZ3VyYXRpb24iOiJodHRwczovL2V4YW1wbGUuY29tLy53ZWxsLWtub3duL29wZW5pZC1jb25maWd1cmF0aW9uIn0 REPLY AQ== 535 Username and Password not accepted. Learn more at\r\n535 http://support.example.com/mail/oauth # # Client-side smtp SMTP OAuth 2.0 (OAUTHBEARER) failure as continuation with initial response mail body smtp://%HOSTIP:%SMTPPORT/949 --mail-rcpt recipient@example.com --mail-from sender@example.com -u user --oauth2-bearer mF_9.B5f-4.1JqM --sasl-ir -T - # # Verify data after the test has been "shot" # 67 - CURLE_LOGIN_DENIED 67 # # The multi interface considers a broken "CONNECT" as a prematurely broken # transfer and such a connection will not get a "QUIT" EHLO 949 AUTH OAUTHBEARER %b64[n,a=user,%01host=127.0.0.1%01port=%SMTPPORT%01auth=Bearer mF_9.B5f-4.1JqM%01%01]b64% AQ==