POP3 Clear Text RETR connection re-use # # Server-side REPLY "PASS secret" +OK Login successful From: me@somewhere To: fake@nowhere body -- yours sincerely # # Client-side pop3 POP3 multiple connection authentication pop3://%HOSTIP:%POP3PORT/882001 -u user.one:secret -: pop3://%HOSTIP:%POP3PORT/882002 -u user.two:secret # # Verify data after the test has been "shot" CAPA USER user.one PASS secret RETR 882001 QUIT CAPA USER user.two PASS secret RETR 882002 QUIT