Le lundi 14 septembre 2009 00:34:06, Robert a icrit : > On Sun, 13 Sep 2009 22:58:57 +0200 > > jean-francois <[email protected]> wrote: > > Hello, > > > > I am currently setting up a mail server comprising of the following > > services : > > > > - mail (send/receive) > > - accounts (base of some many clients) > > - webmail > > > > I would like to use as much security as possible. > > > > After some searches on google, I am not completely sure about the > > choices I should take. > > > > Regarding the choices of OpenBSD, is it so that there is a recommanded > > way to do or shall I install whatever does the job ? > > > > Thanks for your experience and hints. > > > > BR > > JF > > Take whatever software your are most comfortable with configuring to > your needs. > > smtpd: > OpenBSD comes with 'sendmail' as default smtpd. So if you can roll with > that, you get something from base with all the advantages that come > with that. (SASL support still needs a recompile of sendmail.) > 'opensmtpd' is in base, also. It looks very promising. But gilles "if > you use it in production..." statement still stands. (Not yet.) > Lots of poeple like 'postfix'. If you can't stand sendmail, give it a > try. > > pop/imap: > If you only need pop3, 'pop3d' is in base. You can give it pop3s support > with 'stunnel' from ports. > Wan't more than pop3, like imap support, i'd advise to try 'dovecot'. > This also gives you more choices from where to pull user/authentication > info. > > webmail: > This is imho the hardest choice to make. > In the end in comes down to how secure your webserver setup is. > If you need something that looks good to the enduser i'd tend to say > 'roundcube'. > > user/account management: > a setup with system/local user's is the easiest to get right. to ease > the management some simple script help it a lot. > other choices are userinfo in ladp or sql, directly eg. through > dovecot's auth deamon. if one wants to take the database out of the > "downtime equation" there is always the possibily to sync to textfiles > or use a combination of both. > > > postfix + dovecot + roundcube = easy setup and happy customers. > You can look at howto's, but don't religiously stick to them. > If you want a secure setup, understanding what every relevant config > option does is paramount. > (The default configs installed by the packages only need little > edditing to get up basic functionallity.) > > > Cheers > > - Robert >
Is it possible to clarify a little bit the subject. Who is listening for mails and writing them when received, this is something I do not clearly understand ? Which process ? Whch ports ? Thanks.

