[aklug] Re: Check my headers (I.P. blacklisted)

* Kevin Miller <atftb2@alaska.net> [150406 09:38]:
> On 04/04/2015 07:33 AM, Tim Johnson wrote:
> >* Kevin Miller <atftb2@alaska.net> [150403 20:23]:
> >>Send an email directly to me at my work address so it doesn't get
> >>filtered via the mailing list: "kevin . miller@juneau.org" (slightly
> >>munged to thwart robo-harvesting) - I'll see what our spam filters do
> >>with it. I don't use spamrat so it should come through fine unless
> >>there's another issue.
> >>
> >>Be sure to send via the mail server that you're having issues with.
> >Done.
> >>Looking at your headers, you're saying your host is tj49.com, but the IP
> >>resolves to "191-232-4-64.mtaonline.net" so it looks to a mail server
> >>that you're forging your hostname. They should match.
> >>
> >>Received: from tj49.com (191-232-4-64.mtaonline.net [64.4.232.191])
> >> by lib.uaa.alaska.edu (Postfix) with ESMTP id AB3B460E31
> >> for <aklug@aklug.org>; Fri, 3 Apr 2015 11:59:30 -0800 (AKDT)
> >>
> >>A common practice is to name an outbound mail server something like
> >>smtp.tj49.com. Configure postfix to identify itself as that during the
> >>initial connection (HELO/EHLO). Then make sure you have an A record and
> >>a PTR record in DNS for your hostname. Do not use a CNAME.
> >>
> >>The other option is to configure your postfix to authenticate to your
> >>ISPs mailhost, and use it as a smarthost to relay from your server to
> >>the rest of the world.
> > As you will see, I have included some lines from main.cnf, but I
> > might ask for you guidance in how to do that.
> > thanks
>
> Historically I've always used sendmail, so Postfix is a bit of a black
> box to me (although I'm switching over to in the near future).
>
> But see this page:
> https://www.serverpronto.com/kb/page.php?id=Postfix+-+Using+a+Smarthost+to+relay+email+
> (watch the line wrap)
>
> It looks like all you have to do is add a line to mail.cf
> relayhost = SOMESERVER.mtaonline.com
> I'm not sure what the name of their outbound server is - they should be
> able to tell you.
  
  This is really handy info. I appreciate it.

> You may not need to relay through them, as I see in the mail list that
> you got your forward and reverse DNS records to match now. That's great.
  :) Once Adam got on it, things started to get fixed. I got
  homebrew here with Adam's name of it!

  thanks Kevin

-- 
Tim 
tim at tee jay forty nine dot com or akwebsoft dot com
http://www.akwebsoft.com, http://www.tj49.com
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