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by dusted 2014 days ago
Those ports are not important, they are for my client to connect to my server, which happens entirely within my LAN, but how do I go about SENDING mail if outgoing connections on ports 25, 587, and 465 are blocked ?

Basically, I want to send a mail to you, your server is listening on those ports because you're a normal person, and didn't rediret port 80 to be your SNMP incoming.

So, I try to make a connection to your domain:25, my packets won't even leave my ISP, my outgoing connection is simply dropped.

Try it, are you lucky enough that you can ? If you speak a bit of SMTP you can send email from telnet like that.

1 comments

You can configure your own SMTP server on the internet to listen on whatever ports you like and configure your client to use that.