# Certificate directorys

**URL:** <https://community.ciphermail.com/t/certificate-directorys/74>\
**Category:** Gateway\
**Created:** [December 4, 2009, 2:12pm UTC](https://community.ciphermail.com/t/certificate-directorys/74 "2009-12-04T14:12:44Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![lst\_hoe021](https://avatars.discourse-cdn.com/v4/letter/l/58956e/32.png) [@lst\_hoe021](https://community.ciphermail.com/u/lst_hoe021)\
**Post date:** [December 4, 2009, 2:12pm UTC](https://community.ciphermail.com/t/certificate-directorys/74/1 "2009-12-04T14:12:44Z")

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Hello

at least in theory there should be some certificate directorys  
available to search for the public key of a given mailaddress. This  
lead to some questions e.g.

- Are there really some known "certificate yellow pages" available for public?

- Would Djigzo be able to use such a directory to request public keys?

Thanks for any comments

Andreas