Rather than `USER \fIuser\fR', `PASS \fIpassword\fR', inc sends `APOP \fIuser\fR
\fIdigest\fR', where digest is the MD5 hash of the unique string followed by a
`secret' shared by client and server, essentially equivalent to the user's
Rather than `USER \fIuser\fR', `PASS \fIpassword\fR', inc sends `APOP \fIuser\fR
\fIdigest\fR', where digest is the MD5 hash of the unique string followed by a
`secret' shared by client and server, essentially equivalent to the user's