When building mailbox server because I use is ali cloud server to disable the default port 25

Then I will change the SMTP in the/etc/services to the port, but when I found the email access others mailbox server into 26 port is there a way to change only my side visit others not change

CodePudding user response:

I also found that when I put in the/etc/services SMTP when it is back from my 26 other server access port 25 also normal mail sent

CodePudding user response:

Rent cloud server!

CodePudding user response:

To all the server port 25 ali cloud is disabled

CodePudding user response:

Also can use the same USES port 465,