On Fri, Jun 27, 2014 at 5:26 PM, Grant Edwards <grant.b.edwa...@gmail.com> wrote: > They _might_ block port 25 and require you to use SMTP/SSL on port > 465. More likely, they would still allow an initial plaintext > connection to port 25 and require use of the starttls command.
Check with your ISP. The rules vary. I have Verizon FIOS and I'm pretty sure they block port 25 from their own customers regardless of TLS. I guess that must means the virus writers have to write an extra 5 lines of code to extract the password from the configuration of whatever email software is in use... Rich
