How to find SMTP_ISP_PORT

To find your ISP's SMTP server open the command prompt by going to Start --> Run and then type "command" or "cmd".

Once your command prompt is open follow these directions.
(ENTER THESE COMMANDS WITHOUT THE QUOTES)

First type: "nslookup"

You should see something like:

C:\DOCUME~1\ANDREW~1>nslookup
Default Server: YourProvidersName
Address: YourProvidersIP
>

And of course for "YourProvidersName" that would be your personal Internet Service Providers name. Same with "YourProvidersIP".

Now we type in front of the ">" character "set type=mx" another ">" character will appear below. In that you need to type your Internet Service Providers handle, or website:

NOTE: You can use nslookup on any website to find there SMTP server simply by typing the name of the website on the second ">" command line that appears after typing "set type=mx".

So here's what mine would look like by now.

C:\DOCUME~1\ANDREW~1>nslookupDefault Server:  earthlink.netAddress:  207.156.112.7> set type =mx>earthlink.netServer: earthlink.netAddress: 207.156.112.7Non-authoritative answer:earthlink.net   MX preference = 5, mail exchanger = mx1.earthlink.netearthlink.net   MX preference = 5, mail exchanger = mx2.earthlink.netearthlink.net   MX preference = 5, mail exchanger = mx3.earthlink.netearthlink.net   MX preference = 5, mail exchanger = mx4.earthlink.netearthlink.net   nameserver = itchy.earthlink.netearthlink.net   nameserver = scratchy.earthlink.netmx1.earthlink.net       internet address = 209.86.93.226mx2.earthlink.net       internet address = 209.86.93.227mx3.earthlink.net       internet address = 209.86.93.228mx4.earthlink.net       internet address = 209.86.93.229scratchy.earthlink.net  internet address = 207.69.188.197>

You will see something like this. You need to look for the text that reads "mail exchanger" and write down the servers that are yours. In this case earthlink has 4 mail exchangers.

mail exchanger = mx1.earthlink.net
mail exchanger = mx2.earthlink.net
mail exchanger = mx3.earthlink.net
mail exchanger = mx4.earthlink.net

These are the servers that will have SMTP enabled for me to connect to