How to increase memory limit for Dovecot POP3 and IMAP processes

September 21, 2023 / Email Hosting

In this guide, you will explore how to increase memory limit for Dovecot POP3 and IMAP process.

If you encounter warnings indicating that the Dovecot service has drained its memory, it is advisable to expect raising its memory allocation limit. Subject lines for warning emails could appear as follows:

  1. The “lmtp” service reached its memory limit while it accessed mail
  2. The “imap” service reached its memory limit while it accessed mail

Follow the steps-

  1. Log in to WHM.
  2. Select the “Service Configuration” option and click on the “Mailserver Configuration” sub-option.
    service configuration
  3. Find “Process Memory limit for Mail (MB)” option. You can set your required value.
    process memory limit
  4. Scroll down and click on the “Save Changes” button.
    save changes
  5. You will get a success message as shown below.
    mailserver

This way, you can increase memory limit for Dovecot POP3 and IMAP processes. Hope you liked our article.

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