Hello Jim...
I just to add a little to what our friend Micah was saying:
SASL is certainly not a problem but is apart from DBMail except to note
that using SASL dictates you must use plain text passwords for user
accounts in DBMail system.
You can get by without SASL if you use POP/IMAP before SMTP. That means
that once the user has authenticated on their IP they are accepted from
that IP for whatever number of hours you set i.e.: crontab'd
dbmail-util -yl 5h is 5 hours for example . That might need a little
more explanation if you are not familiar with dbmail and particularly
dbmail-util. Details are in the DBMail tarball.
In short, DBMail can take care of your authentication with POP/IMAP
before SMTP or you can use SASL or you can even use both making SMTP
authentication an option and not required in your pam.d. If you have
security issues you should use Stunnel which using SSLeay or OpenSSL
provides for a Transport Layer Security (also means SSL) connection.
This encrypts traffic between your client's PC and your server. SMTP
outgoing mail (as opposed to local) is then sent all over the globe in
the clear -- so evaluate (do I really need this?) on that basis.
I suggest you build your postfix with mysql, pcre and sasl2. That covers
most eventualties that arise and gets your dependencies in order. In
all you can get by with just a barebones Postfix and DBMail but Postfix
without SQL is like a door without a knob :o).
best...
Mike
Micah Stevens wrote:
I probably will need it and I only want to build once. So I guess dbmail
can support it from your answer.
Thanks,
Jim.
Actually, I'm not sure if there's a way to do SASL with DBMail.. I think maybe
there is, I seem to remember some people talking about it on the list, but
I've never tried it. Take a look at the wiki maybe, and the list archives
before assuming anything.
TLS would be independant of DBMail, so go nuts there.. Unless you wanted to
encrypt the LMTP connection or something.
-Micah
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