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Junk Email Filtering Overview

WP Enthusiast and WP Professional hosting accounts can use this tutorial if the Email Add On has been enabled.

How to Find Your Mailbox's Junk Email Filtering

  1. Log in to the Account Control Center
  2. Click E-Mail in the left sidebar
  3. In the E-Mail Delivery Settings By Domain Name, find your preferred domain name and click the corresponding link under Delivery Instructions
  4. On the next page, find your preferred mailbox and then click the corresponding link under Delivery Instructions
  5. Find the Junk E-mail Filtering section and make your changes
  6. Click Commit Changes

Basic Junk Email Settings Explained

Do not filter junk email for this mailbox: Choosing this option will not use any filtering for the selected mailbox.

Mark junk email and store it in the mailbox: This option flags junk email messages as junk email, but delivers them to your Inbox folder.

Store junk in the Junk mail folder: This option flags junk email messages and bypasses the Inbox folder, storing the flagged messages in the Junk folder.

If you store junk email in the Junk mail folder, your email reader will have access to view or delete junk messages as long as you use Pair Networks webmail or an IMAP based mail reader. The junk email folder is not accessible using POP3.

Note that if you store junk email in the Junk folder, junk email messages may impact your monthly disk space allotment. Be sure to empty your Junk folder frequently to prevent this, with either an IMAP email client or Pair Networks webmail servers. Some email clients can store junk email messages on your home computer instead of on the email server, which can also reduce your total disk usage.

Spam Assassin Email Filtering

SpamAssassin is used for filtering junk mail to Pair Networks mailboxes. SpamAssassin tests incoming messages and assigns incoming messages a score. The SpamAssassin documentation describes how scores are calculated.


SPF, or “Sender Policy Framework,” reduces the amount of junk mail you receive by preventing delivery of messages from forged sender addresses to your mailbox.  Turning SPF on in your Junk Email Filtering Settings will cause all incoming mail to be checked. There are three results for SPF checked mail:

  • Success: Successful mail does not break any SPF rules and will continue on through the normal junk filtering checks before being delivered to your mailbox.
  • Hard Fail: Mail that hard fails breaks one or more SPF rules and is blocked. It will not enter the server.
  • Soft Fail: Mail that soft fails breaks one or more SPF rules, but is allowed to enter the server as Junk. It will be treated according to the Junk delivery rules for the account.

For more information about how SPF works, check out our What is an SPF Record? article.

Updated on August 4, 2023

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