Mail Server BlackListed

Blacklist

A blacklist is a list or register of entities who, for one reason or another, are being denied a particular privilege, service, or mobility.

Open mail relay

An open mail relay is an SMTP (e-mail) server configured in such a way that it allows anyone on the Internet to relay (i.e. send) e-mail through it.

Links relacionados:

http://www.mxtoolbox.com/blacklists.aspx

http://www.ordb.org/

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