Oh? So account management was all manual via the sql command line?
Depends if you call 3-line scripts a "tool" or "sql command line".
:D. Okay, I guess I will put it down to vpopmail relieves us of the need to design our own tables and write our own user management scripts.
Both. You can get exim to talk directly to spamassassin and postfix 2.3.3's milter capability alows the same with spamassassin milter.
That is not exactly the same thing, since with "milter", you are adding one more layer.
exim loads in spamassassin?
Yes, but the virtual mail backend of postfix is much less flexible, and so using vpopmail makes sense.
Interesting comment...for the umpteenthed time I must take a look at exim :P
If you have anything that does user management based on sql, you can make exim use those tables. Even tho I haven't tried, it is very likely that you can even use the same tools you use for vpopmail. Or for anything else.
I am sure exim can use the vpopmail tables for some stuff at the least. Do you use the Centos base exim or compile your own?