On Sun, 2009-11-15 at 12:59 +0000, Peter wrote: > Opening the permissions on /home/mail (6771) allows deliver to succeed > suggesting that mail_access_groups is being ignored by deliver.
How are you calling deliver? Either it needs to be started up as root, or you need to make it setuid-root (and call it with -d parameter). Otherwise it can't use mail_access_groups.
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