➜  ~  gpg --list-key
/Users/israel/.gnupg/pubring.gpg
--------------------------------
pub   4096R/37F0407D 2013-01-01
uid                  Israel Buitron <ibuitron@computacion.cs.cinvestav.mx>
gpg: conversion from 'utf-8' to 'US-ASCII' failed: Illegal byte sequence
uid                  Israel Buitron (Correo electrónico en el IPN) <ibuitron@ipn.mx>
uid                  Israel Buitron <israel.buitron@gmail.com>
sub   4096R/0D6D8EA7 2013-01-01 [expires: 2016-01-01]

➜  ~  gpg --keyserver pool.sks-keyservers.net --send-key 37F0407D
gpg: sending key 37F0407D to hkp server pool.sks-keyservers.net