updated readme

README.md

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 # Postal
 
-Unofficial fork of Postal addon for World of Warcraft
-See https://www.wowace.com/projects/postal for official addon
+Unofficial fork of Postal addon for World of Warcraft
+See https://www.wowace.com/projects/postal for official addon
+
+Postal offers enhanced mailbox support by providing the following features:
+
+*     **BlackBook**: Adds a contact list next to the To: field.
+ *         Tracks all your characters (as you log each one on) and list them if they are on the same realm/faction on an "Alts" list
+ *         Tracks the last 20 players you mailed on a "Recently Mailed" list.
+ *         Autocomplete names from Alts/Recently Mailed/Contacts/Friends/Guild list. You can choose which of these lists to use.
+ *         Option to autofill in the last person mailed to the To: field.
+ *         Option to disable Blizzard's name auto-completion popup. 
+*     **CarbonCopy**: Allows you to copy the contents of a mail.
+*     **DoNotWant**: Shows a clickable visual icon as to whether a mail will be returned or deleted on expiry.
+*     **Express**: Adds shortcuts
+ *         Shift-Click to take item/money from mail
+ *         Ctrl-Click to return mail
+ *         Alt-Click to move an item from your inventory to the current outgoing mail (same as right click in default UI)
+ *         Mousewheel to scroll the inbox Included in the default UI since Patch 6.0
+ *         Added option to disable multiple item mail tooltips. 
+*     **OpenAll**: Allows you to open all mails of selected types at one go in your inbox unattended.
+ *         All AH Cancelled mail
+ *         All AH Expired mail
+ *         All AH Outbidded mail
+ *         All AH Success mail
+ *         All AH Won mail
+ *         Non-AH mail with attachments
+ *         AH settings are divided into neutral and faction-specific settings.
+ *         Shift-Click on the OpenAll button will open all mail and override your filter settings.
+ *         Choose to have a number of bag slots always left free when opening mail. 
+*     **Rake**: Displays summary of money gained from opening mail
+*     **Select**: Adds checkboxes to the inbox with buttons for selective opening/returning
+ *         Added mail indicator numbers above the checkboxes.
+ *         Added help note that you can Shift-Click 2 checkboxes to select everything between them.
+ *         Added help note that you can Ctrl-Click a checkbox to select all mail from that sender.
+ *         Choose to have a number of bag slots always left free when opening mail. 
+*     **TradeBlock**: Block trades and guild charter signature invites from people while you are at the Inbox
+*     **Wire**: Autoupdate the subject field with money amount if blank. 
+
+Postal's menu and settings can be accessed at the upper right corner of your mailbox.
+
+## Postal Profiles
+While this might not be too intuitive to some users, each character that you log on will have its own initial Postal profile (settings). If you wish that some or all your characters share the same profile (and hence share the same contact list), then you can create a New Profile, call it anything you want such as "Shared by Alts", and have all your other characters change to that profile.
+
+## Mass Mailing Abilities
+Postal does not come with any abilities to send out mass mails (i.e messages to more than 1 person at a time). There is no intention to add such functionality to Postal.