Send Email via port 25

From Initq

This is a proper way to check and see if your email server is being used as replay.

Step # 1: First, open a command prompt. To open a command prompt window, click Start, Run and then type in cmd and press Enter. You can also press the +R to open the Run prompt and then type in cmd in the open text box.

Step # 2: You need to know a remote mail server. If you are still in school or working, there is the excellent opportunity to use your University mail server or your company’s mail server for this.

type in

telnet RemoteMailServer 25

at the command prompt. The Remote mail server here in this command is the mail server of your school or company. It is usually mailhost..edu or compmail..com or something on those lines. When you press enter, you are shown a quick prompt that you are connecting to the remote mail server.

Step # 3: Introduce yourself to the mail server. Play around a bit.

type in

helo mailhost

at the command prompt. The mail server responds back with something like this

250 RemoteMailHost. Hello , pleased to meet you.

Step # 4: You can now enter your email address.

type in

mail from: your email id @ blah.com

The mail server responds back with a 250 … sender ok

Step # 5: You can now enter your receipient’s email address

type in

rcpt to: recipient email id @ blah.com

The mail server responds back with a “Recipient OK” message

Step # 6: Now, you are ready to type in the body of the email message .

type in data and press enter.

Now, type your message and then finally press Enter. To end your message type in a single period “.” . Your message is now in the queue

Step # 7: To complete and finish the process, type in

quit

and press enter. The mail server responds with a “Bye” after which you see a “Connection to host lost” message displayed.

telnet RemoteMailServer 25
helo mailhost
250 RemoteMailHost. Hello , pleased to meet you.
mail from: your email id @ blah.com
250  … sender ok
rcpt to: recipient email id @ blah.com
Recipient OK
data
. 
quit