On Mar 11, 2007, at 2:28 PM, Jeffrey Goldberg wrote:
[mailed and posted]
On Mar 11, 2007, at 10:45 AM, Ed Zwart wrote:
I own my_domain.com. I've paid a hoster for the last couple years,
but that's ending in a week or so. Meanwhile, I've used dyndns to
point foo.homedns.org to my IP.
If you will allow me to break in on this exchange;
Does this advise apply if you have static ip service and are running
web servers from these addresses, with the ISP's blessing?
(meaning you also have at least two name servers running for the
registered sites)
This is important info for me, as I have that and am considering doing
just that,
run my own mail servers. I expect to have 5 machines doing various
jobs, DNS
web server(four registered web sites), mail server. I already have
three of the four sites
up and available from static ip addresses over ADSL.
Thanks so much
Jeff K.
I am going to add my voice to those suggesting that you use your ISP's
mail server for outgoing mail.
There are a number of reasons. First of all, if you are on a dynamic
IP, it is very likely that your ISP blocks outgoing STMP traffic that
doesn't go via their own mail server. That is, they won't allow
"direct to MX" mailing from dynamic addresses.
Another reason is that it just isn't a good idea to run your own
direct to MX mail system, unless you have some real expertise in how
mail transport works. Professionally, I set up mail servers for small
and medium sized businesses, and in more and more cases, I actually
suggest that they use outside mail servers for their out going mail.
(Generally, I think that ISPs tend to do really poor jobs with email
and that it is best to avoid being locked into your ISP for much, so I
recommend services like fastmail.fm.)
Let me also add, that while I do set up and manage mail servers for
others, I don't do direct to MX from home myself. (Well, I do for a
mailing list server I run, but not for my normal everyday mailing.)
So even with the expertise needed, I don't really recommend running
your own MX (incoming) or own Direct to MX (outgoing) servers unless
you have a specific need to fill.
Anyway
With postfix you just need to specify
relayhost=YOUR-ISPS-OUTGOING-SMTP-SERVER-HERE
in
/usr/local/etc/postfix/main.cf
and then run
# postfix reload
Then just send a test, eg
$ mail -s test [EMAIL PROTECTED] < /dev/null
to see what happens.
If your ISP wants authentication for handling your outgoing mail, look
at
http://macosx.com/tech-support/smtp-relay-host-authentication/938.html
which describes how to configure postfix for that on Mac OS X. For
FreeBSD just replace
/private/etc/postfix/
in all of the paths mentioned with
/usr/local/etc/postfix/
-j
--
Jeffrey Goldberg http://www.goldmark.org/jeff/
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