jpbbordengrammar.kent.sch.uk
Date: Wed Mar 11 2009 - 11:37:43 CDT

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Hi List,

I have Postfix 2.3.3 with amavis-new, spamassassin and clamav and am
trying to block a group of users from sending to two internal maillists
called staff and pupils.

I have two files, restricted_maillists which is in the format:

pupil1bordengrammar.kent.sch.uk restricted_mail_lists

and user_permissions in the form:

staffbordengrammar.kent.sch.uk REJECT
pupilsbordengrammar.kent.sch.uk REJECT

I've hashed these, put them in a folder called rules in /etc/postfix and
added them to main.cf as:

smtpd_recipient_restrictions = check_recipient_access
hash:/etc/postfix/rules/restricted_maillists,permit_mynetworks,reject_unauth_destination

smtpd_restriction_classes = restricted_mail_lists

restricted_mail_lists = check_sender_access
hash:/etc/postfix/rules/user_permissions,reject_unauth_destination

Without the last reject line entries, it complains about not having a
legitimate entry in the restrictions list and with it, users in the banned
list can send mail to the lists. Can anyone give me a poke in the right
direction please as I've been going at this all day.

Thanks,

Julian PB

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