Thanks for the reply.  Of course, sorry for the naïve query.  Yes we use 
qmailadmin to allow password changes by end users.

And we’ve just found a writeup here:

but it seems a little dodgy.

There isn’t by any chance a build time variable for qmail admin or something a 
little more within the source tree than the above patch method?

Thanks again for your reply.


Peter Brezny
Purplecat Networks Inc.

From: Tom Collins
Sent: ‎Wednesday‎, ‎October‎ ‎29‎, ‎2014 ‎1‎:‎56‎ ‎PM

The vchkpw program verifies the password.  Are you wondering about the vpasswd 
program for changing a password?  That's an admin program, and wouldn't 
typically enforce a password change policy.

How do your users currently change their passwords?  QmailAdmin?  Some other 
program?  You would have to incorporate password requirements into that 
program, and not the one that validates a password.


On Oct 29, 2014, at 7:42 AM, Peter Brezny wrote:
> Dear,
> Is there a way to enforce a minimum length and character combination
> (letters, numbers, upper case) with vchkpw and if not, are there patches or
> external applications that integrate well with vchkpw to get this
> functionality?


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