Updating to SMG 10.5.3 Symantec Messaging Gateway (SMG) 10.5.1 was a "gated release", meaning that you would need to be on this, or 10.5.2, prior to being able to update to SMG 10.5.3. In order to install 10.5.3 from a version prior to 10.5.1, you will need to either upgrade to 10.5.1 first, or use the ISO image to OS Restore a fresh image to the SMG server.
Subaddressing has changed to only use a '+' (plus) sign as the subaddress delimiter This change was incorrectly cited to use a '-' (minus) sign in the Release Notes and associated KB. The KB has been corrected: http://www.symantec.com/docs/TECH163815
Symantec registration, rules, and software update servers are dropping support for the Secure Sockets Layer version 3 (SSLv3) protocol. This change does not affect SMG 10.5.3. For more information please see the following document: http://www.symantec.com/docs/AL1623
Imported Document ID: TECH223626
Subscribing will provide email updates when this Article is updated. Login is required.