On 8/29/2013 3:43 PM, Glenn English wrote: > > On Aug 29, 2013, at 2:18 PM, LuKreme wrote: > >> $ grep 587 /etc/services >> submission 587/tcp >> submission 587/udp > > That's what mine says too. Does Postfix accept UDP submissions? > > I looked at RFC6409 (the newest I could find on 587), and all it said was > "port 587" -- the protocol isn't mentioned. >
It's standard SMTP over tcp, typically with STARTTLS and AUTH. I imagine the udp entry is a historical artifact. -- Noel Jones
