I normally do an intro to PGP with GnuPG in my security workshops. I am used to pgp.mit.edu when showing how to upload keys & etc. Somehow that server is not so reliable, but I keep on forgetting this!
So from now on:
Example with gpg
gpg –keyserver hkp://pool.sks-keyservers.net –search email@example.com
You can also include the keyserver parameter in gpg.conf so that you will not have to pass the –keyserver parameter everytime. So open ~/.gnupg/gpg.conf with an editor and insert the following line