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Category Archives: Technical

  1. DNS, SERVFAIL, firewalls and Microsoft April 8, 2013

    Posted in Technical.

    3 comments
  2. CBL website and email back on line March 20, 2013

    Posted in Technical.

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  3. Mail that looks good on desktop and mobile March 19, 2013

    Posted in Best Practices, Technical.

    1 comment
  4. Images in the subject line January 2, 2013

    Posted in Technical.

    1 comment
  5. DKIM and Gmail November 28, 2012

    Posted in Best Practices, Technical.

    2 comments
  6. Setting up DNS for sending email October 22, 2012

    Posted in Technical.

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  7. Want to learn about Networking and the Internet? October 8, 2012

    Posted in Industry, Technical.

    5 comments
  8. DMARC Interoperability October 3, 2012

    Posted in Asides, Technical.

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  9. More awesome than email September 21, 2012

    Posted in Technical.

    5 comments
  10. Open Relays and Mail Sinks September 11, 2012

    Posted in Industry, Technical.

    1 comment
  11. Useful bits of Cryptography – Hashes May 16, 2012

    Posted in Technical.

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  12. Things Spammers Do May 14, 2012

    Posted in Technical.

    7 comments
  13. The 500 mile email April 4, 2012

    Posted in Delivery Improvement, Technical.

    2 comments
  14. The Physics of the Email Universe April 3, 2012

    Posted in Technical.

    1 comment
  15. So you want to start a company? (part 4) February 24, 2012

    Posted in Best Practices, Technical.

    4 comments
  16. So you want to start a company? (part 3) February 23, 2012

    Posted in Best Practices, Technical.

    1 comment
  17. So you want to start a company? (part 2) February 22, 2012

    Posted in Best Practices, Technical.

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  18. So you want to start a company? (part 1) February 21, 2012

    Posted in Best Practices, Technical.

    2 comments
  19. I know your customers’ passwords February 14, 2012

    Posted in Best Practices, Technical.

    7 comments
  20. DKIM is Done September 26, 2011

    Posted in Industry, Technical.

    Comments Off
  21. Authentication Cheat Sheet July 20, 2011

    Posted in Best Practices, Technical.

    8 comments
  22. Who leaked my address, and when? July 6, 2011

    Posted in Industry, Technical.

    1 comment
  23. Analysing a data breach – CheetahMail May 5, 2011

    Posted in Industry, Technical.

    5 comments
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