====== Hacks around emails ====== Kept headers. Bcc: Cc: Content-Type: Content-Transfer-Encoding: Date: From: Message-ID: In-Reply-To: MIME-Version: References: Reply-To: Resent-Bcc: Resent-Cc: Resent-Date: Resent-From: Resent-Message-ID: Resent-Sender: Resent-To: Return-Path: Sender: Subject: To: ''Received:'' is blacklisted, as it isn't critical to message understanding, and as it wastes lots space. Example 1 (1101 bytes saved, 23.8%): Example 2 (6163 bytes saved, 17.3% compressed):