Plug-Ins and Add-Ons for Mac OS X Mail
Most Popular Mac OS X Mail Add-Ons
Mac OS X Mail is worth a few good tools that make it even better (with tags, filtering, customizations, stationery, security,…). Find a selection of the most popular OS X Mail add-ons here.
Abee
Abee is a fantastic utility to import contacts from CSV files (to which every respectable email program or service exports) into the Mac OS X Mail Address Book with ease and elegance.
Abee User Reviews - Mac OS X Mail Contacts Tool
Find users' reviews of the Abee Mac OS X Mail contacts tool here and share your experience, too.
Attachment Scanner Plugin for Mail
Attachment Scanner Plugin for Mail alerts you when you talk about a file attachment in a message but failed to attach any file before clicking "Send".
Attachment Tamer User Reviews - Mac OS X Mail Add-On
Find users' reviews of the Attachment Tamer mac os x mail add-on here and share your experience, too.
Email Archiver - Mac OS X Mail PDF Archiving Utility
Email Archiver saves messages from Mac OS X Mail as PDF files including all layout, headers and attachments.
emlx to mbox Converter
emlx to mbox Converter is as straight forward a tool for exporting Mac OS X Mail messages to the universal mbox format as it can be a godsend if, after a disk crash for example, you have to recover your mail and Mail refuses to import its own emlx files.
equinux Stationery Pack - Mac OS X Mail Add-On
equinux Stationery Pack makes it easy to add hundreds of gorgeous stationery designs to Mac OS X Mail — and helps you find the perfect template for the occasion, too.
GPGMail
GPGMail adds strong OpenPGP/MIME email encryption to Mac OS X Mail.
httpmail for Mac OS X Mail
Integrating well with Mac OS X Mail, httpmail lets you access a Hotmail or MSN email account with all the comfort of Mail.
IMAP-IDLE for Mail.app - Mac OS X Mail Plug-In
IMAP-IDLE for Mail.app adds support for the IMAP IDLE command to Mac OS X Mail, which means new messages come in as soon as they arrive at the server without any manual or periodic mail checking.
Letter Opener Pro User Reviews - Winmail.dat Decoding Mac OS X Mail Add-On
Find users' reviews of the Letter Opener Pro Winmail.dat decoding Mac OS X Mail add-on here and share your experience, too.
LinkABoo - Mac OS X Mail Add-On
LinkABoo lets you place links to individual Mac OS X Mail messages on the Desktop, in the Dock or in just about any application including data organizers and calendars.
LinkABoo User Reviews
Find users' reviews of the LinkABoo Mac OS X Mail Add-On here and share your experience, too.
Mail Act-On - Mac OS X Mail Productivity Add-On
Mail Act-On is a wonderful Mac OS X Mail plug-in that saves you time and makes your mail handling better by allowing you to assign keyboard shortcuts to Mail rule actions (and adds outgoing mail filters to boot).
Mail Attachments Iconizer
Mail Attachments Iconizer makes all attachments show as space and time saving icons in Mac OS X Mail.
Mail Act-On - Mac OS X Mail Productivity Add-On
Find users' reviews of the Mail Act-On Mac OS X Mail productivity add-on here and share your experience, too.
Mail2iCal and Mail2iCalToDo Mac OS X Mail Add-Ons
Mail2iCal and Mail2iCalToDo are highly useful AppleScript applications that let you turn any email from Mac OS X Mail into a calendar or to-do list item in iCal swiftly and with all the essential data (including URLs and attendants) entered.
Mail2iCal and Mail2iCalToDo User Reviews - Mac OS X Mail Add-Ons
Find users' reviews of the Mail2iCal and Mail2iCalToDo Mac OS X Mail add-ons here and share your experience, too.
Mailboxer - Mac OS X Mail Add-On
Mailboxer picks up the contacts in your Address Book and sets up corresponding smart mailboxes in Mac OS X Mail, each listing all mail exchanged with the person (no matter the email address, if they have more than one).
Mailboxer User Reviews - Mac OS X Mail Add-On
Find users' reviews of the Mailboxer Mac OS X Mail add-on here and share your experience, too.
MailFollowUp - Mac OS X Mail Add-On
MailFollowUp lets you create followup messages that have all the recipients of the original message and quote the original text easily in Mac OS X Mail.
MailFollowUp User Reviews - Mac OS X Mail Add-On
Find users' reviews of the MailFollowUp Mac OS X Mail add-on here and share your experience, too.
MailPriority - Mac OS X Mail Add-On
MailPriority adds support for message priorities to Mac OS X Mail, and it lets you request (albeit not send) return receipts, too.
MailTags - Mac OS X Mail Productivity Add-On
MailTags lets you add tags, keywords, notes and due dates to emails in Mac OS X Mail and integrates them with search, rules, smart mailboxes, Calendar, Reminders and project-management software for near-perfect and semi-automatic custom email organization. (Mac)
MailTags User Reviews - Mac OS X Mail Productivity Add-On
Find users' reviews of the MailTags Mac OS X Mail productivity add-on here and share your experience, too.See submissions
ManilaMail - Mail Checker
ManilaMail counts the number of unread messages in your Mac OS X Mail Inbox, and offers easy access to that Inbox as well as to composing mail to boot.
MiniMail - Mac OS X Mail Add-On
MiniMail shrinks Mac OS X Mail to a handy window displaying just one message and useful ways to interact with it.
MsgFiler - Mac OS X Mail Productivity Add-On
MsgFiler make moving messages particularly smooth and easy in Mac OS X Mail with a folder selector that finds the right mailbox if you type but a few characters.
MsgFiler - Mac OS X Mail Productivity Add-On
Find users' reviews of the MsgFiler Mac OS X Mail productivity add-on here and share your experience, too.
Ofaco - Mac OS X Mail Add-On
Ofaco completes words you're previously typed in an email swiftly and lets you insert custom, preset text blocks, too.
OMiC - Winmail.dat Decoding Mac OS X Mail Add-On
OMiC makes Mac OS X Mail handle winmail.dat inclusions as if it had invented them, making included files and rich formatting available just like other attachments.
Ofaco User Reviews - Mac OS X Mail Add-On
Find users' reviews of the Ofaco Mac OS X Mail Add-On here and share your experience, too.
QuoteFix - Mac OS X Mail Add-On
QuoteFix has Mac OS X Mail start your reply at the bottom in a proper fashion. (Mac)
Rocketbox - Mac OS X Mail Search Add-On
Rocketbox finds emails with blasting speed and some comfort in all your Mac OS X Mail accounts.
Rocketbox - Mac OS X Mail Search Add-On
Find users' reviews of the Rocketbox Mac OS X Mail search add-on here and share your experience, too.
Subjectivity - Mac OS X Mail Add-On
Subjectivity warns you when you are about to send an email with a blank Subject: line from Mac OS X Mail and can insert your message's first words in it automatically.
VacuumMail - Mac OS X Mail Add-On
VacuumMail ensures your Mac OS X Mail is always running at top speed by keeping its database organized and slim, even on an automatic schedule.