Below are the steps to send a mail using telnet or Putty.
|You do/type this||Server responds with|
|Telnet to hostname on port 25||220 (then identifies itself - possibly with several lines of 220 + text)|
|HELO your_domain_name or whatever||250 (followed by human readable message)|
|MAIL FROM:email@example.com (ie, your email address)||250 |
|RCPT TO:them@someplace_else.com (email address you want to send to)||250 |
|DATA||Tells you to send data then CRLF period CRLF at end|
|You type your message then CRLF period CRLF (ie, type a period on a line by itself then hit ENTER)||250|