APOP No Longer Working after Upgrade to IMAPd 2.3.12p2

[Jorey Bump]

Andrew Morgan wrote, at 04/30/2008 05:15 PM:

> Cyrus IMAP calls out to the sasl libraries to generate the APOP 
> challenge. On my Debian Etch system, libsasl2.so uses /dev/random.

How do you determine if it uses /dev/random?