I know there are different opinions here on the various alternatives. Bill Cole argues cogently for the old favorite, sendmail, and I know LuKreme has recently migrated some or all to postfix. I do need both POP and SMTP, but not IMAP, and (this is not a requirement for now) a way to do secure connections in the future would be nice (I'm not talking here about just password-in-the-clear issues). I hesitate to mention this aspect because I'm not ready to address it nor do I need to at this time, but just so it's out there as a potential talking point. In fact, just forget I said anything about 'secure.' I've heard the names, now I have to connect the dots: qmail, courier, procmail, kerio, etc etc.
Of course, I need to maintain compatibility with our company's choice of e-mail client: Eudora. But I assume this will be a non-issue.
Anyway, I'm less concerned with the details of running the different possibilities than I am with reproducing the features of SIMS. To wit:
a) I know I'm going to get the ability to query RBLs, and since I run my own private one as well, that covers the blacklist.
b) SIMS logging is acceptable, perhaps even better than average (?). I figure, without knowing for sure, that I'll have as good or better logging capability anyway with a postfix for example.
c) SIMS web admin is nice, so that would be a plus - I figure webmin or similar does or will eventually have some capabilities for many different mail servers out there, if not now. Some of these servers may have their own built-in web admin anyway. Besides, I'm fine with CLI interface anyway, so this is not an issue, just a plus.
d) Account options. I need what mirror-to-list gives me as opposed to forward (no I'm not running a mailing list and whatever I choose does not have to be good for list interfacing), so I'd like to still have that.
I'm more concerned about 2 particular features of SIMS:
e) Verify-return-paths feature (or equivalent), which snags a fair share of spam in ways the blacklist does not.
f) The router. For all it's shortcomings, I find it to be an incredibly handy little doo-dah, and I'd really like something equivalent. My SIMS is a mail server for 3 domains, and the router makes that trivial, as well as its rejection capability and, well, its routing ability!
So, if there's any comments out there, I'd like to hear them, especially if you think I've missed some aspect. I'm sure SIMS will still occupy a place where I administer, and what knows, I may come running back to it, but I long to try some different things, for the education if nothing else.
Stefan Jeglinski
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