Ads, fraud schemes, porn, viruses, phishing attempts... if it's junk e-mail, Roaring Penguin's CanIt® e-mail filtering software solutions will stop spam before it reaches your mail server.

The Anti-Spam and Email Filtering Experts

Roaring Penguin Software develops anti spam e-mail filtering software solutions that work the way you want:

Roaring Penguin Software has been developing mail filtering software since 1999.

Hosted CanIt

Hosted CanIt

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CanIt-PRO Anti-Spam

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CanIt Archiver:E-mail Archiving and E-mail Continuity Software

CanIt Archiver

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Recent News / Press Releases

See the Roaring Penguin Blog for additional updates from Roaring Penguin.

  • May 26th, 2015

    Roaring Penguin Software releases CanIt 9.2.5

    Improves Secure Messaging and improves support for DKIM-signing of outbound mail

    Roaring Penguin Software Inc., announces the release of CanIt 9.2.5.

    CanIt 9.2.5 improves the administration of Roaring Penguin's Secure Messaging email encryption system. It also improves the administration of DKIM (Domain Keys Identified Mail) key pairs.

  • April 27th, 2015

    Roaring Penguin Software releases CanIt 9.2.4

    Introduces support for DKIM-signing outbound mail and improves phishing reporting to RPS reputation system

    Roaring Penguin Software Inc., announces the release of CanIt 9.2.4.

    CanIt 9.2.4 introduces support for signing outbound mail using DKIM (Domain Keys Identified Mail) to improve deliverability. By making it easy to set up DKIM signing, Roaring Penguin Software brings an enterprise level authentication protocol down to the level of the SMB. For more information on DKIM visit

  • April 20th, 2015

    Roaring Penguin Software to Sponsor Two Ulistic Seminars in California

    Events in Orange County May 19th and San Francisco May 21st

    Roaring Penguin Software Inc, today announced that they will sponsor the California swing of Ulistic's sales and marketing seminar series for MSPs.

    The seminars feature Stuart Crawford, President of Ulistic, speaking on a variety of topics focused on increasing the effectiveness of Marketing by MSPs.

    For more information on the Orange County event and for more information on the San Francisco event