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If anyone out there runs a #Plesk server, check to see if your have a ton of emails stuck in your mail queue. There was a problematic email security update that got applied within the past 12 hours that caused mail queues to stop processing both incoming and outgoing email.

Fortunately, it's an easy fix.

https://support.plesk.com/hc/en-us/articles/30609832237591-Unable-to-receive-email-with-Plesk-Email-Security-extension-installed-connect-to-sql-unable-to-connect-to-DSN-DBI-mysql-database-emailsecurity-mysql-socket-var-run-mysqld-mysqld-sock

#sysadmin #mailserver #hosting