On Wed, Dec 29, 2010 at 09:46:25PM +0100, Patrick Ben Koetter wrote:
> > The problem is very likely just ISP MUAs. Which ISPs still make money on
> > emai users? It seems that Gmail and the other 800lb free-email gorillas
> > have largely taken over the consumer email market. Is there in fact
> > a business incentive to offer users submission services on any port
> > (25 or 587)?
>
> In mobile networks, yes. And email usage is rising again, since mobile users
> found out the can cram more words in a mail than in a SMS.
Do these providers combine the port 25 MX host with the port 25
MSA? So long as the port 25 service is still just an MSA, it needs no
postscreen(8). The postscreen(8) service is for (well really against)
MX-host abusing zombies.
--
Viktor.
