On 2008/01/02 21:22, Chris wrote:

quoted text
> I got a test box at home I'm trying to setup sendmail in. I bought a

> domain and host a website on that box. I get dynamic IP from my ISP

> which gets updated via DynDNS for the website. I added the MX for my

> domain with Google and it's been working fine (I can send receive

> mail). But I want to setup sendmail & friends (clamav, mimedefang,

> spamd etc.)  to get familiar with them.

>

> I understand that having a dynamic IP and not having a reverse DNS

> working to mail.domain.com would put me in the block list pretty soon.

> I am not considering hosting outside.

>

> Could sendmail's smarthost be the best option in this scenario? If

> yes, should I point it to Google or my ISP? Is there any other option?

$ host -t txt gmail.com

gmail.com descriptive text "v=spf1 redirect=_spf.google.com"

$ host -t txt _spf.google.com

_spf.google.com descriptive text "v=spf1 ip4:216.239.32.0/19 ip4:64.233.160.0/19 ip4:66.249.80.0/20 ip4:72.14.192.0/18 ip4:209.85.128.0/17 ip4:66.102.0.0/20 ip4:74.125.0.0/16 ?all"
if you're sending from your gmail.com address through it, you'll

probably have better luck using Google. otherwise, your ISP (it

can be fiddly setting up SMTP auth).