From d0a308cc409fdee4a4993148314db62502fa8dd8 Mon Sep 17 00:00:00 2001 From: gnubytes <67441357+gnubytes@users.noreply.github.com> Date: Sun, 3 Jan 2021 19:27:11 -0600 Subject: [PATCH] Clarify README around Reverse DNS Added note to #4 to clarify Reverse DNS entry will need to go from your IP address to your mail subdomain and not to ``. --- README.md | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/README.md b/README.md index 5884eaa..3d07f0f 100644 --- a/README.md +++ b/README.md @@ -54,7 +54,10 @@ give your full domain without any subdomain, i.e. `lukesmith.xyz`. `` (not mail subdomain). If you would like IPv6, you can do the same for that. This has been tested on Vultr, and all decent VPS hosts will have a section on their instance settings page to add a reverse DNS PTR - entry. + entry. NOTE: If you host both your email and website on the same server + (e.g. Postfix and NGINX), your Reverse DNS entry will need to go from your IP + address to your mail subdomain (i.e. mail.lukesmith.xyz) and not to `` + (i.e. lukesmith.xyz). You can use the 'Test Email Server' or ':smtp' tool on [mxtoolbox](https://mxtoolbox.com/SuperTool.aspx) to test if you set up a reverse DNS correctly. This step is not required for everyone, but some