dovecot_authdb_plesk Failed to decrypt password for mail address

[DenitRichard]

After applying this fix: https://talk.plesk.com/threads/postfix-e-mails-of-some-domains-are-in-queue.333160/#post-798818

My e-mail users can't authenticate anymore..

dovecot_authdb_plesk[6834]: Failed to decrypt password for mail address

 

[DenitRichard]

systemctl restart dovecot fixed it.