Beyond rtcyrus2 (sendmail integration)

Jo Rhett jrhett at
Sun Dec 3 20:33:15 EST 2006

Gary Mills wrote:
> We've had excellent sendmail/cyrus integration for years, with
> 35,000 users.  It's done by having all users in the NIS map on
> the mail server.  No modification to sendmail is necessary because
> getpwnam() returns the passwd entry for the user.  Users can't log
> in to the mail server, of course, because PAM rules prevent that.
> The same thing could be done with other user databases, such as
> LDAP.  Why would you ever need a different form of integration?

We've done the same by putting all user accounts into virtusertable with 
the no-recursion option.

That said, it does require something to take user accounts and export 
them into virtusertable/nis maps/etc.  So this approach is technically 
superior to what you and I are doing.

Jo Rhett
Network/Software Engineer
Net Consonance

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