POP3 APOP # # Server-side CAPA APOP REPLY welcome +OK curl POP3 server ready to serve <1972.987654321\@curl> From: me@somewhere To: fake@nowhere body -- yours sincerely # # Client-side pop3 crypto POP3 APOP authentication pop3://%HOSTIP:%POP3PORT/%TESTNUMBER -u user:secret # # Verify data after the test has been "shot" CAPA APOP user 7501b4cdc224d469940e65e7b5e4d6eb RETR %TESTNUMBER QUIT