In a web hosting account, you can enable DKIM and SPF for your domain to add authentication for your outgoing email.

In cPanel web hosting, there is a feature called Email Trace to check the delivery of email from and to your email account.

SpamAssassin provides email filtering to identify spam messages. This tutorial walks you through using SpamAssassin in a cPanel Web Hosting account.

With website hosting you also get webmail access for your emails from any computer with an Internet connection and a web browser.

You can host public or private mailing list with your web hosting account in cPanel using mailman. This can be used for newsletters and announcements.

How cPanel users mailbox quota to reject emails with Mailbox quota exceeded error message to let the sender know email was not delivered.

In cPanel Web Hosting account you can create rules to filter email and either discard, redirect, or send them to scripts etc. with full customization.

In Web Hosting you can setup Email Forwarding to other email addresses or a script to be processed by the web applications.

This tutorial explains how to setup an email autoresponder in cPanel and schedule the start and end date for the auto-responder and interval of responses.

How to disable “Default Address” is to reject spam (junk emails) addressed to random addresses on your domain in a cPanel web hosting account.