On Wed, Dec 29, 2010 at 10:08:15PM +0100, Patrick Ben Koetter wrote: > > > 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. > > They do combine MTA and MSA.
I would expect a large-scale mobile service operator to separate the MSA for mobile clients from the MTA for incoming MX mail from outside parties, it really is best-practice, oh well... -- Viktor.