diff options
| author | Luke Smith <luke@lukesmith.xyz> | 2023-01-26 19:00:20 -0500 |
|---|---|---|
| committer | Luke Smith <luke@lukesmith.xyz> | 2023-01-26 19:00:20 -0500 |
| commit | eb5b6743f3be0d9472a33b58bc73c05bb6613c98 (patch) | |
| tree | 19496e436211ca6dad693e9a9d7a561f8a49d29b /README.md | |
| parent | b2ab4f4d68a0f6116a0048a1a0ea6715420160a3 (diff) | |
rDNS readme fix. Should be mail subdomain.
Diffstat (limited to 'README.md')
| -rw-r--r-- | README.md | 19 |
1 files changed, 9 insertions, 10 deletions
@@ -48,16 +48,15 @@ give your full domain without any subdomain, i.e. `lukesmith.xyz`. **CNAME record** for your `mail.` subdomain. 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 - `<yourdomain.com>` (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. - 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 - big email services like Gmail will stop emails coming from mail servers - with no/invalid rDNS lookups. This means your email will fail to even - make it to the recipients spam folder; it will never make it to them. + `<mail.yourdomain.com>`. 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. 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 big + email services like Gmail will stop emails coming from mail servers with + no/invalid rDNS lookups. This means your email will fail to even make it to + the recipients spam folder; it will never make it to them. 5. `apt purge` all your previous (failed) attempts to install and configure a mail server. Get rid of _all_ your system settings for Postfix, Dovecot, OpenDKIM and everything else. This script builds off of a fresh install. |