https://www.emailondeck.com/eod.php
https://github.com/martignoni/hugo-cloak-email
http://www.anti-abuse.org/multi-rbl-check/
https://medium.com/better-marketing/mailchimp-is-dead-it-just-doesnt-know-it-yet-6e404c3e4b7b
https://getmailspring.com/
https://sendportal.io/
https://laravel-news.com/email-on-error-exceptions
https://delta.chat/fr/
https://www.rescam.org/
http://www.campaignmonitor.com/css/
http://htmlsig.com/
http://www.webmarketing-com.com/2013/05/17/21431-vos-campagnes-emailing-saffichent-elles-correctement-sur-toutes-les-messageries
http://sendgrid.com/
http://www.allaboutspam.com/
http://techblog.tilllate.com/2008/07/20/ten-methods-to-obfuscate-e-mail-addresses-compared/
http://www.wisestamp.com/
http://www.campaignmonitor.com/blog/archives/2007/04/a_guide_to_css_support_in_emai_2.html
http://www.google.fr/a/
http://services.nexodyne.com/email/