[CentOS] TLS support on postfix

[Kumar Krishna]

On Wed, 8 Feb 2012 17:09:51 -0600
Les Mikesell <lesmikesell at gmail.com> wrote:

> On Wed, Feb 8, 2012 at 12:36 AM, Kumar Krishna
> <krishnak5891 at gmail.com>wrote:
> 
> >
> > Yes, I did restarted postfix.
> > I ran tcpdump on the mail server while connecting to it from a
> > remote location and then analysed the dump file. It seems that the
> > server is working fine and offering STARTTLS, but the Cisco Router
> > en route is messing things up.
> >
> 
> A normal router shouldn't interfere.  Is this a PIX or ASA firewall?
> I haven't used one for a few years but you used to have to do a
> 
> no fixup protocol smtp 25
> 
> to get them to pass things correctly.
> 

I believe it is a PIX or ASA firewall.