[Mailman-Users] mailing list filtered as spam

[jeff zemla]

Hmm...  My @rutgers.edu and @princeton.edu e-mail addresses both forward to
my Gmail and work fine.

But I do understand the issue now.  I guess I'll just have to see how it
goes...

Thank you for the heads up!

Jeff



On Thu, Jun 26, 2008 at 11:01 PM, Mark Sapiro <mark at msapiro.net> wrote:

> jeff zemla wrote:
>
> >Hmm I really don't know that much about this stuff.  Does this really
> affect
> >me?  I'm not looking for the "be all end all" of spam, as you say.  At
> >least, not spam at large.
>
>
> Yes. It may well affect you.
>
>
> >Really, I have no problem sending e-mails from my domain because I do that
> >through Gmail.
> >
> >The only time when my mail gets filtered as Spam is when I send out
> messages
> >on my announce-only mailing list.  So as long as it continues to keep my
> >announcements out of users' spam boxes, I'm happy.
> >
> >Should I be worried?
>
>
> The addition of DKIM or domain keys to your outbound list mail clearly
> helps get your mail through to those direct recipients whose services
> like gmail or yahoo check DKIM or domainkey signatures and treat mail
> with valid signatures favorably.
>
> Since yours is an announce only list, you don't have to worry about the
> signatures on incoming mail being invalidated by things the list does
> to the message.
>
> The problem in your case is when someone at alumni.example.edu subscribes
> to your list and alumni.example.edu, which is just a forwarding
> service, forwards that mail to sombody at gmail.com, the signature may
> now be invalid because the IP that the message came to gmail from is
> that of alumni.example.com, not your IP that signed the mail or
> because of other transformations to the message by the forwarding
> service. Gmail may consider this to be worse than if the mail was
> unsigned.
>
> --
> Mark Sapiro <mark at msapiro.net>        The highway is for gamblers,
> San Francisco Bay Area, California    better use your sense - B. Dylan
>
>