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  1. #1
    Newbie
    Join Date
    Feb 2019
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    2

    Default Block outgoing email by content?

    SonicWall has a feature that will block outgoing email based on content. At least that's how I'm reading this page ( ] dot sonicwall knowledge-base:170503423633215 . I'm wondering if Untangled has a way to do the same thing. I'm thinking specifically about U.S. Social Security Numbers, bank account and/or credit card info. Mainly hoping to stop accidental emailing of sensitive information.

    Any thoughts or WIKI pages where I could read about how to make that work would be greatly appreciated.

    Rois

  2. #2
    Untangler jcoffin's Avatar
    Join Date
    Aug 2008
    Location
    Sunnyvale, CA
    Posts
    7,543

    Default

    It's not possible to inspect word content of emails with Untangle.
    Attention: Support and help on the Untangle Forums is provided by
    volunteers and community members like yourself.
    If you need Untangle support please call or email support@untangle.com

  3. #3
    Untangle Ninja sky-knight's Avatar
    Join Date
    Apr 2008
    Location
    Phoenix, AZ
    Posts
    23,088

    Default

    It should be noted, the mentioned feature from Sonicwall can only work on SMTP, not TLS or SSL protected SMTP.

    If you have workstations that are transmitting mail to an external mail server via unencrypted SMTP, you have problems, and you need to fix them.

    If you have an internal mail server, that's transmitting this information, you need to configure it to not do so. There are rules in Exchange for this sort of thing. If you aren't using a mail server that has the ability to manage its own content, you need a new mail server.

    So, no you cannot fix this with Untangle, and no you cannot fix this with Sonicwall. Not really, anyway.
    Rob Sandling, BS:SWE, MCP
    NexgenAppliances.com
    Phone: 866-794-8879 x201
    Email: support@nexgenappliances.com

  4. #4
    Newbie
    Join Date
    Feb 2019
    Posts
    2

    Default

    Sounds like I need to research "Data Loss Prevention (DLP)" systems.

    Thank you for your replies.

  5. #5
    Untangle Junkie dmorris's Avatar
    Join Date
    Nov 2006
    Location
    San Carlos, CA
    Posts
    17,692

    Default

    Probably. Most DLP is not going to be network based (anymore) as everything uses encryption.
    (If you are sending information in the clear still, I would fix that first!)

    In some cases, and in some specific scenarios you may be able to use SSL inspection, but this is rare in the real world given the requirements and headaches of SSL inspection.

    FWIW, I'd checkout proofpoint for email DLP and go from there.
    Attention: Support and help on the Untangle Forums is provided by volunteers and community members like yourself.
    If you need Untangle support please call or email support@untangle.com

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