[M3devel] Follow up - FreeBSD port

[Hendrik Boom]

On Sat, Jun 06, 2015 at 11:05:17PM -0700, mika at async.caltech.edu wrote:
> John Marino writes:
> ...
> >Anything that tries to use TCP seems to fail.
> ...
> 
> Might be a wild goose chase.. but I seem to remember having issues if
> the reverse and forward DNS of your machine don't match up, or if there
> is no reverse DNS... or something like that.

That's not TCP doing that as far as I know.  Even DNS is built 
on top of TCP and IP, and TCP knows nothing of it.

However, a lot of email servers perform such a check to block some 
forms of malfeasance.  Possibly some other systems built on top of 
TCP do that as well.

> 
> Otherwise, TCP should work just fine.
> 
>      Mika