[ILUG] List of questions ...
lhecking at nmrc.ucc.ie
Fri Jan 21 11:44:30 GMT 2000
> 1. Sendmail 8.9.1, running on solaris 7, no relaying, there's an outside
> user, with his own dial in ISP and email, wants to have his mail appear as
> if it's from our server (domain). So he could do this if he used our
> machine as his SMTP server, but that would mean allowing relaying for his
> ISP's IP range, which I don;t wanna do. Is there a way to allow relaying
> by user??
FEATURE(access_db), maybe combined with one or more of the other relay_*
features. The problem here is that relaying permission based on MAIL FROM:
is open to spoofing, so I'd combine it with some sort of IP based access
control. Simple enough if the user dials in from a static IP, a bit more
difficult when dynamic IP's are involved (access_db allows network addresses
and IP addresses). Maybe take a look at tcp_wrappers (but then you'll have
to compile your own sendmail).
Another option is "POP before SMTP", but I don't know of any patches/setups
sendmail. Basically, the user dials in to retrieve his/her mail through POP,
and this triggers a rebuild of the MTA access database to allow this user
SMTP access. There is a timeout, of course. And I'd think really hard
before opening a POP server to the Net ...
Check out the postfix-users mailing list archive at www.postfix.org to see
how this orks with postfix (to get an idea). Also, search for AntiSpam
> 2. What's the best "Office Suite" for unix? Some compatible with ...
Can't say which one the best is, as I don't use any office type apps,
but most ppl here seem to get on ok with StarOffice.
> 3. And, finally, emulator for unix? It should run nicely on an Ultra 5.
Nothing runs nicely on an Ultra 5, unless you throw buckets of RAM at it.
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