<http://en.wikipedia.org/wiki/Greylisting> ______ Bill
...... Original Message ....... On Sun, 7 Oct 2007 17:12:05 -0700 "George Kontos" <[EMAIL PROTECTED]> wrote: >Treo 700p, Verizon. For the past 3 days when I try to send out email >using Versamail I get the error message, > > 421 temporary envelope failure (#4.3.0) > >Verizon says the problem is that I have my outgoing mail server set to >my ISP's outgoing SMTP mail server instead of Verizon's server and >because of that I am not getting properly authenticated. This seemed >strange to me as it has worked just fine for the past 12 months having >the incoming and outgoing mail server be my ISP's servers. > >Anyway, I tried what the Verizon tech support guy said and changed the >outgoing SMTP server to, > > smtp.vzwmail.net > >and lo and behold it worked. > >I called my ISP and told him about it and he says that in an effort to >fight spam he has made the SMTP server "greylisted" and that is what's >causing the problem with the outgoing mail from the Treo. Indeed, the >date my problems started was the day he greylisted the server. > >Can anyone explain to me what greylisted means? > >George
