SMTP SMTP AUTH CRAM-MD5 RFC2195 RFC4954 # # Server-side AUTH CRAM-MD5 REPLY AUTH 334 Rubbish REPLY * 501 AUTH exchange cancelled by client # # Client-side smtp crypto SMTP CRAM-MD5 graceful cancellation smtp://%HOSTIP:%SMTPPORT/932 --mail-rcpt recipient@example.com --mail-from sender@example.com -u user:secret -T - # # Verify data after the test has been "shot" # 67 - CURLE_LOGIN_DENIED 67 EHLO 932 AUTH CRAM-MD5 * QUIT