On 03/05/12 17:33, Kelsey Cummings wrote: > I have a setup where I need to use a Master User account to login on > behalf of users normally authed via PAM. Is there any existing mechanism > that will allow master users to be wired down to specific ip address rather Ah, found it. http://wiki2.dovecot.org/PasswordDatabase/ExtraFields/AllowNets -K