Postfix can't deliver mail to virtual domains - cannot create file exclusively

[Chuck Swiger]

Pat Maddox wrote:
> By the way, the problem appears to be solely permissions-based.  When
> I've got normal-looking permissions on /var/mail, postfix gives that
> error, "cannot create file."  Courier-IMAP says, "imapd: chdir
> javaspot.net/pergesu: No such file or directory"  chmod 777 /var/mail
> and they both work fine.  But that's of course not the permissions I
> want on it.

You very probably want 1777 permissions (ie, using the sticky bit like /tmp to 
prevent people from playing games with other people's mboxes), or else you'll 
need to make your LDA run setuid-root, in which case 755 is right.

[ Or on a few SysV systems, the LDA is setgid-mail, using 775. ]

-- 
-Chuck