We have your product ServiceDeskPlus 14.6(free version), and we have a problem. Sometimes (approximately 4-5 times a week) mail server connection is lost and appears only after reboot virtual machine. Mailing address is always available. Tell me, what is a problem?

Ingoing mail server: imap.yandex.ru (SSL/port 993)

Outgoing mail server: smtp.yandex.ru (SSL/port 465)

Server OS: Windows Server 2022 (21H2)

Microsoft SQL Server 2019