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Upgrade iRedMail from 1.8.3 to 1.8.4

ChangeLog

• Jul 22, 2026: initial publish.

General (All backends should apply these changes)

Update /etc/iredmail-release with new iRedMail version number

iRedMail stores the release version in /etc/iredmail-release after installation, it's recommended to update this file after you upgraded iRedMail, so that you can know which version of iRedMail you're running. For example:

1.8.4

Incorrect sieve configuration for Dovecot 2.4 on Debian 13 (trixie) and Ubuntu 26.04 (resolute)

The configuration for personal Sieve rules in Dovecot 2.4 is incorrect on Debian 13 (trixie) and Ubuntu 26.04 (resolute), causing Sieve rules to fail to save. Please follow the steps below to fix the issue.

• Open the file /etc/dovecot/dovecot.conf and locate the sieve_script personal block, which should look like this:

sieve_script personal {
    type = personal
    driver = file
    path = ~/sieve
}

• Add the active_path parameter within the block and save the changes:

sieve_script personal {
    type = personal
    driver = file
    path = ~/sieve
    active_path = ~/sieve/dovecot.sieve
}

• Restart dovecot service:

systemctl restart dovecot

Upgrade netdata to the latest stable release (v2.10.4)

If you have netdata installed, you can upgrade it by following this tutorial: Upgrade netdata.