Managing an Email Server

http://blog.hubspot.com/blog/tabid/6307/bid/30684/The-Ultimate-List-of-Email-SPAM-Trigger-Words.aspx

http://www.openspf.org/Project_Overview

$40 per year personal option - https://www.fastmail.com/help/receive/domains.html?u=d4b04101

Servers:

• OpenSMTPd
• Postfix
• Qmail
• https://mailinabox.email
• http://www.iredmail.org

http://flurdy.com/docs/postfix/index.html - How to set up a mail server on a GNU / Linux system - Ubuntu + Postfix + Courier IMAP + MySQL + Amavisd-new + SpamAssassin + ClamAV + SASL + TLS + SquirrelMail/Roundcube + Postgrey

https://www.digitalocean.com/community/tags/email?type=tutorials

https://www.digitalocean.com/community/tutorials/how-to-configure-a-mail-server-using-postfix-dovecot-mysql-and-spamassassin

https://www.digitalocean.com/community/tutorials/why-you-may-not-want-to-run-your-own-mail-server

https://www.digitalocean.com/community/tutorials/how-to-run-your-own-mail-server-with-mail-in-a-box-on-ubuntu-14-04

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https://www.digitalocean.com/community/tutorials/how-to-set-up-gmail-with-your-domain-on-digitalocean