From da3b93bba35d49d98266d64b55c13754036f1be7 Mon Sep 17 00:00:00 2001 From: gnubytes <67441357+gnubytes@users.noreply.github.com> Date: Sun, 3 Jan 2021 19:22:48 -0600 Subject: [PATCH] Clarify README around MX Records Added note to #3 to clarify MX Records cannot point to a CNAME or Alias but there is a work around discussed in this commit where you can create a second A record for subdomain.domain.tld and refer it to the IP address of your incoming mail server. --- README.md | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/README.md b/README.md index 4889a3a..5884eaa 100644 --- a/README.md +++ b/README.md @@ -45,7 +45,10 @@ give your full domain without any subdomain, i.e. `lukesmith.xyz`. 2. **A Let's Encrypt SSL certificate for your site's `mail.` subdomain**. 3. You need two little DNS records set on your domain registrar's site/DNS server: (1) an **MX record** pointing to your own main domain/IP and (2) a - **CNAME record** for your `mail.` subdomain. + **CNAME record** for your `mail.` subdomain. NOTE: You can't point an MX + Record to a CNAME or Alias BUT you can create a second A record for + subdomain.domain.tld (e.g. mail.lukesmith.xyz) and refer it to the IP address + of your incoming mail server. 4. **A Reverse DNS entry for your site.** Go to your VPS settings and add an entry for your IPv4 Reverse DNS that goes from your IP address to `` (not mail subdomain). If you would like IPv6, you can do