Open Relay Software

RelayTest by DigiArch.org

Test the open relay vulnarebility of your mail server.

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Open Relay Checker by Open Relay List Test

Test open relay servers and get a list of public smtp mail relays.

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Super Webscan by NPUST SOFTWARE

identifies open relay SMTP servers. It is an all in one program.

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SPAMReporter by errorcodes.net

A powerful SPAM Reporting tool that lets you help the ISP shut down spammers.

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Open Relay Filter Enterprise Edition by Vamsoft Ltd.

High-performance anti-spam tool for Exchange Server

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