Various issues with emails and Outlook when using IMAPS or POP3S on SMB appliances

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Technical Level

Solution ID	sk167693
Technical Level
Product	Quantum Spark Appliances
Version	R77.20, R80.20
OS	Gaia Embedded
Platform / Model	700, 900, 1400, 1500, 1600, 1800
Date Created	29-Jul-2020
Last Modified	04-Aug-2020

Symptoms

Emails are received/sent in a delay.
Outlook freezes occasionally.
Emails that were read in Outlook reappear as unread.

Cause

The issues above occur when:

For 700/900/1400 appliances:
When the user upgrades from firmware versions below R77.20.81 (inclusive) to R77.20.85-87 (990173043 inclusive), the service timeouts change incorrectly for the service IMAPS.

For 1500 appliances:
When the user upgrades from firmware versions below R80.20.01 (inclusive) to R80.20.05, the service timeouts change incorrectly for the services IMAPS and POP3S.

Solution

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