Blacklisting & IP Address Reputation
This document contains information about IP reputation, Blacklists, and the impact they have on the emails you send.
spf
Email Deliverability in cPanel
Use this interface to identify problems with your mail-related DNS records for one or more of your domains.
Email Deliverability in WHM
Use this interface to identify problems with your server's mail-related DNS records.
Email DNS Record Manager
Use this interface to add a default DMARC policy to your server's domains.
Enable DKIM/SPF Globally
This feature creates DKIM and SPF records for all accounts on the server.
How to Keep Your Email Out of the Spam Folder
This article contains helpful information to make sure that other servers or networks do not mark your email as spam.
The enable_spf_dkim_globally Script
This script enables SPF and DKIM for the specified users, and creates the appropriate DNS records for their domains.
The spf_installer Script
The /usr/local/cpanel/bin/spf_installer script allows you to add an SPF record to all of a user's domains' zone files from the command line.