Applicable to:
- Plesk Onyx for Linux
Symptoms
-
In analyzing headers of email sent from the Plesk server, mxtoolbox.com Email Header Analizer shows the following error:
CONFIG_TEXT: Body Hash Did Not Verify
-
DKIM policy is configured in the Plesk.
-
Lenght tag can be found in the email header (
l=663
):CONFIG_TEXT: v=1; a=rsa-sha256; c=relaxed/relaxed; d=wna.jp; s=default; t=1548437364; bh=XPOALMihvVieKHybTr2G8RH3tg93XgGJyTxTAoZreoI=; l=663; h=From:Subject:To; b=FlHzW/BaAAZibibuhoEvU45+nhJZncg59Jc/7dLsMhNr4alRyVYuPrnr6gNv3+b
Cause
This is a Plesk bug with ID PPPM-9978, which is planned to be fixed in future product updates.
Resolution
As a temporary workaround apply the solution below:
-
Connect to the server via SSH.
-
Create a backup of the initial configuration file:
# cp -a /usr/local/psa/handlers/hooks/dk_sign{,.bak}
-
Download the file attached, extract the archive.
# wget https://support.plesk.com/hc/en-us/article_attachments/360023796254/dk_sign.zip
# unzip dk_sign.zip
-
Set correct permissions and ownership to the file:
# chmod 750 dk_sign
# chown root:popuser dk_sign
-
Replace the original file:
# mv dk_sign /usr/local/psa/handlers/hooks/dk_sign
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