Sending E-mail wherever you are

Internet service providers block out attempts to send out e-mails from outside their networks as a way to preventing the use of their mail servers to send spam. Most Internet service providers have web based e-mail interfaces, but for many who use laptop computers all their contacts are stored in e-mail client software web based e-mail isn’t the best choice. When a computer is used on the Internet at home an outgoing e-mail is passed to a computer called a Simple Mail Transport Protocol server (SMTP). Normally e-mails go right out but in order send e-mails when not connected to one’s own ISP then the mail client software has to be configured to connect to the SMTP server and confirm it’s identity through SMTP authentication. Authentication supplies the same user name and password that is used to retrieve e-mails from the Post Office Protocol (POP) server. Internet Service providers require that you connect on a different on a different port in order to send e-mails using SMTP authentication. By default e-mails are sent out of your computer using port 25. Contact tech support at your ISP to find out what port number to use. Additional information about how to set SMTP authentication can be provided to you by your Internet service provider. Using SMTP authentication you can have your e-mail and not have to settle for web based e-mail ever again.

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