Le me contribute to the list.
The mail transport between _two servers_ is always on port 25.
587 is so called submission, it's for communication between client <-> server
best,
Istvan
On 5/29/20 2:16 PM, Matteo Cazzador wrote:
Hi, excuse a question, during the comunication between 2 mail servers there is a phase of according about che port to
use to comunicate?
There is a checking about port 587 or 25 during these comunication? or two
servers only use 25 port by default?
Sorry for the level of the question I ask you.
Thanks
