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Post Office Protocol 3 (POP3) has an optional command called APOP which sends a string of the form "<process-ID.clock@hostname>". The POP3 client calculates the MD5 digest of
<process-ID.clock@hostname>password
and sends it to the server as "APOP username 58349485whatever89583449".
I like it.
Of course, this requires the user password to be stored unencrypted on the server; which you may not want to do. -----BEGIN PGP SIGNATURE----- Version: 2.6.2 iQCVAwUBMBEbT44k1+54BopBAQEvaAP/btvc6mK8aFL5ONL70aQRhJIY/Zu+6HnU WSDiVNLTtbEiMA+4W7hOD3RQORl42r/Lqdyevq+VmG1LAikCETDgS77jiGq11Kt+ q1HVGQEkiPexd8asJw66hjYLo+vWylu2U39e7YWc01ccr2Hr+zZR+/MHVPQsMq5y LXTiercKsow= =gdHC -----END PGP SIGNATURE----- -- Thank you VERY much! You'll be getting a Handsome Simulfax Copy of your OWN words in the mail soon (and My Reply). <Andrew.Spring@ping.be> PGP Print: 0529 C9AF 613E 9E49 378E 54CD E232 DF96 Thank you for question, exit left to Funway.