> I have a question for those already using PostFix: I'm not very
> comfortable with maintaining my aliases using the standard text/hash
> format, and was hoping to try out dbm. What program do I use to maintain
> dbm files? QMail's one-file-per-alias system is pretty neat in some ways,
> I have to admit. I have yet to check out dbm, though.
Why not try out storing your aliases in a mysql database, or possibly LDAP.
Postfix has native support for mysql built in. In my experience, aliases in a
mysql database is very scalable, as i've set up this kind of thing for a
client, with aliases located in a mysql database. Pretty solid setup, i must
say. For a site which peaks over 150 SMTP connections at a point in time.
LDAP, or open LDAP may not be that scalable, because it still uses DBM for its
backend.
> Another thing: anyone have an existing solution for mapping an alias, say,
> 'everybody' to all users with UID >= 500? With my QMail setup (that I'm
> hoping to move to PostFix for no particular reason) I maintain a file
> ~alias/.qmail-everybody with a list of all my users with e-mail addresses
> (all those in the passwd file that are not system accounts, and therefore
> have UID >= 500 in my RedHat system). I could do the same with my
> text/hash format, or with dbm if and when I find out how to work on that
> format, but perhaps there's a more manageable method.
Hmm, i don't think this is feasible, in the sense that you will be copying a
message to each and every mailbox on your system. Not good. If you have a
small userbase you can create an alias that goes into a script that emails all
users starting from some GID?.
For big sites, you need to go with a POP server that supports "BULLETINS".
This is a special feature of a pop server which will allow you to post a
message once, and it is replicated everytime a user downloads email. AFAIK,
only solid-pop3d has this support, along with maildir.
>
> Hope someone can help me out (calling Ian Sison, hehehe). Thanks! :-)
Sorry for the delayed response...
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