Mail bouncing due to ORDB failures?

Exchange, ExchangeDefender
6 Comments

Check your mail server configuration and make sure you aren’t trying to query the ORDB (Open Relay Database RBL) that went offline two years ago.

I’m sitting here in the OWN Atomic Tangerine room filling out some livestock export forms for Australia and UK and the usually light phone has been lit up with customers complaining about ORDB connections. These disappeared two years ago, if you’re seeing the rejections with that label you need to get back on the ball 🙂

6 Responses to Mail bouncing due to ORDB failures?

  1. Susan says:

    ORDB was still enabled in Sunbelt.

  2. What do you recommend we use instead?

  3. Ramberg says:

    Kathleen,

    ExchangeDefender.com, duh!

  4. vlad says:

    Blind connection filtering is just horrible, in my opinion. Anything that outright rejects mail without the 100% certainty and local delisting control is not a filtering mechanism. Might as well just shut off the mail server for 4 hours a day.

    If you must, SpamHaus makes great lists. XBL and PBL2 are great. However, they are not free, so if you do use it and have more than a handful of users they will stop serving you. SpamCop is another.

    Both well worth the $500 or so a year.

    I obviously have a bias towards ExchangeDefender-like content protection networks but I realize solutions like that are not in everyones budget.

    -Vlad

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  6. Matt Dillard says:

    Should have checked the blog sooner. Had several clients complain of bouncebacks from mail servers using that service. Certainly helpd resolve it quickly.

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