Enter the SMTP server you use to send email through. This is usually your ISP (Internet Service Provider). Example: smtp.yourisp.net, or mail.yourisp.com. If unsure, check with your ISP.
Many servers require authentication to send email to curb spam. Enter the username you use to log into your email account here. This will be the same as what you use in your email client, such as Outlook Express.
Many servers require authentication to send email to curb spam. Enter the password you use to log into your email account here. This will be the same as what you use in your email client, such as Outlook Express.
Many mail servers often use a port number other than the default port 25. If this is true in your case, enter the port number here. Check with your ISP or web host if unsure.