getting mail to work

jekillen jekillen at
Mon Mar 12 00:27:58 UTC 2007

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  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 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
> 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
> in
>  /usr/local/etc/postfix/
> and then run
>  # postfix reload
> Then just send a test, eg
> $  mail -s test your at external-email-addres < /dev/null
> to see what happens.
> If your ISP wants authentication for handling your outgoing mail, look 
> at
> 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              
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