I wrote on the subject some years ago: http://yalis.fr/cms/index.php/post/2014/01/31/Why-buy-a-domain-name-Secure-mail. This may interest you.
I am in the process of setting up a newer configuration, all with Ansible, among which are Exim and Dovecot, with real users and virtual users, and with delivery by LMTP, all based on information stored in LDAP. But I cannot promise any "release date" since I do not have much time these days...
Cheers On Mon, 9 Apr 2018, Peter Hutchison via Exim-users wrote:
Has anyone implemented any of the following on their mail systems? StartTLS, DMarc and DKim. I would just like to any tips, gotchas, downsides or other useful information I should know? Peter Hutchison MCP Senior Network Systems Specialist * 01484 473716 Networks Team University of Huddersfield | Queensgate | Huddersfield | HD1 3DH
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