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Contents 1 You do not want to receive spam 2 You do not want to accidentially be a spammer 2.1 Relay testing 2.1.1 Web site 2.1.2 Do it yourself

[edit] You do not want to receive spam

• Greylisting

[edit] You do not want to accidentially be a spammer

[edit] Relay testing

[edit] Web site

• http://www.abuse.net/relay.html

[edit] Do it yourself

telnet servername 25
ehlo domain
mail from:user@domain
rcpt to:other-user@other-domain
data
This is a test eMail.
.