Issue #3211901: Allow setting From, CC, BCC and adding attachments.

added 5 commits

• 8296d253...4a04960b - 4 commits from branch project:8.x-1.x
• 67488ec0 - Merge branch message_notify:8.x-1.x into 3211901-allow-setting-from

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added 9 commits

• 67488ec0...1b9cde71 - 8 commits from branch project:8.x-1.x
• d5136c2a - Merge branch message_notify:8.x-1.x into 3211901-allow-setting-from

Compare with previous version