Apple Mail Add-ons

Apple Mail Add-ons to customize your Apple Mail

By default, every Mac is loaded up with a copy of Apple's email client, Mail. As far as email apps, it is fine, but it is missing a lot of features and settings that other apps have. Fortunately, with a few add-ons, you can turn Apple Mail into a pretty powerful little email client. Please read the note at the bottom of this page before proceeding.


Here is a great list of Apple Mail add-ons.


SpamSieve 2.9.12

Add powerful Bayesian spam filtering to the e-mail client on your iMac, MacBook, etc.

Letter Opener 6.0

Letter Opener seamlessly converts all types of Outlook’s irksome winmail.dat files. (Hooray!)

MailTags 3.2.3

MailTags gives you a complete range of metadata -- not just labels. Add Keywords, Projects, Importance, Notes, Reminder Dates, Colors, Calendar Events and Tasks. Tag any existing message. Tag messages while composing.

MsgFiler 3.1.3

A keyboard-based email filing application for Apple Mail. Type to filter down the list of mailboxes and press return to file selected messages in Mail. Navigate, select, move and copy emails without ever lifting your hands off the keyboard.

Mail Act-On 2.4.3

Perform multiple actions on messages in a fraction of a second and eliminate time consuming and error prone manual organization such as drag and drop message filing.

CargoLifter 1.2.5

With CargoLifter you won’t fill other people’s email inboxes any longer. Instead of sending email file attachments as part of the email, CargoLifter automatically uploads all file attachments to your favorite cloud service (e.g. Dropbox or YouSendIt) and afterwards adds the corresponding download links to your email message.

DockStar 2.1.17

DockStar is the ingenious way to keep an eye on your Mail.
It adds extra badges to Mail's dock icon and clickable indicators to the menu bar. Intuitively monitor unread messages in more than one mailbox.

Compatibility Note: DockStar is no longer supported in OS X 10.9 (Mavericks) or newer.

MailFollowup 1.6.2

Adds "Follow Up" items to the Message and contextual menus (and optionally a toolbar button) of Apple's Mail application that allows you to compose (and then send) a quoted version of the original message to all of the original recipients, keeping the To, Cc and Bcc addresses exactly as they appeared in the original message.

MailHub 1.7

MailHub is a 'smart' plug-in for Apple Mail which revolutionises email management. File, create new mailboxes, delete or assign actions to your email effortlessly without interruption to your workflow.

Flagit! 1.9.3

Flagit!TM brings multi colored flags to's "Mark" menu. Create as many custom flags as you need - of any color and with any label. Flagit!TM also allows you to "mark" emails as completed, keeping track of when the flag was set and when it was marked as completed.
Please Note: Flagit! is not compatible with Mac OS X Lion. (10.7)

Herald 4.0.4

Herald is a plugin for that goes far beyond OS X's built in notifications.


Adds "Copy to Recent," "Move to Recent," and "Go to Recent" menu items to Apple's Mail application. These menu items contain dynamically-updated lists of recently used mailboxes.

Mailings 2.0.13

Mailings is an exceptional, low cost bulk email delivery app for sending personalized email messages to large groups of contacts. It's the best bulk email marketing app for the Mac!

Mail Attachments Iconizer 2.1

Attachment Tamer gives you control over attachment handling in Apple Mail. It fixes the most annoying Apple Mail flaws, ensures compatibility with other email software, and allows you to set up how attachments are displayed and sent.

QuoteFix 2.5.1

A plug-in for Apple Mail which enables "bottom-posting": instead of replying above a message (as Apple Mail does by default), it will place the cursor below the original message when you reply to, or forward, a message.

MailSteward 10

With a single click on the Archive button, MailSteward will archive all of the email in all of your Apple Mail accounts into a database for easy retrieval. One click and MailSteward will go to work storing copies of all your email text, HTML, attachments, and raw source, into a relational database. MailSteward has a wealth of features for importing, tagging, saving, and exporting, including the ability to export your vital email information in a number of standard data formats.

Please note: TechnoMinds is providing a list  of Apple Mail add-ons. We do not know the condition of your computer, nor can we know the possible bugs a particular version of each app has. Each app has it's own compatibility requirements and some may not be free. It is up to the user to determine if his/her system is compatable or not. It is also recommended that you only try these if your computer and specifically your Mail app are running smoothly, without trouble. Most importantly, make sure sure you have an up to date backup of your computer including your Apple Mail app, your Apple Mail database and preferences. Proceed at your own risk.