Deprecated: Global Address List (GAL) support for Exchange versions < version 2013 SP1 for email composer
The following features will be deprecated, starting from version 3.16.0. and will be removed in a future update.
We're going to remove the Global Address List (GAL) support for Exchange versions < than 2013 SP1.
If you're running on a later version of Exchange, you won't be affected by this.
This feature is only used within the email composer when you try to select contacts (To, Cc or Bcc) from the Global Address List (GAL).