Email

7.0.11
Postbox
Postbox

3.8

Powerful and flexible email client.
$49.00
68.4.1
Thunderbird
Thunderbird

4.1

Email client from Mozilla.
Free
2417
Mailbutler
Mailbutler

4.3

Your personal assistant for Apple Mail.
Free
2.9.38
SpamSieve
SpamSieve

4.6

Robust spam filter for major email clients.
$30.00
1.0
DejaLu
DejaLu

4.3

Minimalist, Open-Source e-mail (beta).
Free
3.6.73
Airmail
Airmail

3.3

Powerful, minimal email client.
$26.99
8.0.2
Herald
Herald

4.6

Notification plugin for Mail.app.
Free
4.2.1
Mailplane
Mailplane

5.0

The best way to use Gmail on your Mac.
$29.95
12.0.4
Letter Opener Pro
Letter Opener Pro

4.3

Extracts attachments from winmail.dat files in Apple Mail.
$29.99
13.4
MailSteward
MailSteward

4.3

Archive your email text in databases; three versions available.
$49.95
3.1.14b9
Attachment Tamer
Attachment Tamer

4.3

Take control of attachments in Apple Mail (beta).
$14.99
1.6.3
GyazMail
GyazMail

4.2

Alternative email client.
$18.00
1.13.1
MailMate
MailMate

4.5

Mail client designed exclusively for IMAP.
$49.99
5.7.1
Direct Mail
Direct Mail

5.0

Create and send great looking email campaigns.
$30.00
1.9.2
Unibox
Unibox

3.7

Email client with messages organized by person.
$13.99
2.6.6
Mail Designer
Mail Designer

4.1

Create customized mail templates and newsletters.
$29.99
3.4.6
Mail Unread Menu
Mail Unread Menu

4.4

Displays a tally of unread emails in your menu bar.
Free
4.1.6
Mail Act-On
Mail Act-On

4.0

Map customized email rules and actions to Act-On keys.
$60.00
8.7.2
MaxBulk Mailer SE
MaxBulk Mailer SE

2.2

Send out mass emails.
$49.99
0.24b9
Letterbox
Letterbox

4.5

Adds three-column view to Mail.app; does not support OS X 10.7 or later.
Free
8.0.10
SerialMailer
SerialMailer

3.4

Create personalized email newsletters.
$39.96
1.4 Beta
Mail.appetizer
Mail.appetizer

4.6

Glance at incoming email without switching to Mail.app.
Free
6.2.1
PowerMail
PowerMail

3.5

Fast and powerful email client.
$66.00
14.3.2
Emailchemy
Emailchemy

5.0

Convert email to a standard portable format.
$29.95
4.0.4
DockStar
DockStar

4.8

Add 5 new-mail icons to Mail.app.
$19.95
2.1.6
Notify Pro
Notify Pro

4.5

Gmail notifier supports multiple accounts.
Free
5.1.0
Mail Archiver X
Mail Archiver X

3.4

Mail archiving, cleaning, and browsing.
$44.95
2.4.3
Mailsmith
Mailsmith

3.6

Robust email client from the makers of BBEdit, now free.
Free
2.5.1.4
Pando
Pando

2.5

Send/receive large files using your email account.
Free
3.1.8
MyPopBarrier
MyPopBarrier

5.0

Remove emails directly from the server.
Free
2.1.3
Mailings
Mailings

3.1

Batch emailer with personalization features.
$24.99
7.8
MailTab for Gmail
MailTab for Gmail

2.0

Access Gmail from the menu bar.
$2.99
3.60
MailRaider
MailRaider

5.0

Read Outlook MSG files on your Mac.
$3.99
2.0.31
Kiwi for Gmail
Kiwi for Gmail

3.5

Turns Gmail into a full-powered Desktop client.
$29.99
3.1.1
Stationery Greeting Cards
Stationery Greeting Cards

1.0

Greeting card templates for Apple Mail (was Stationery Pack Browser).
$21.99
2.5.2
Spark
Spark

3.3

Email client for Apple devices.
Free
2.0.1
MailFollowUp
MailFollowUp

4.4

Adds a follow up item to emails and contextual menus in Apple Mail.
Free
10.6.12
Personal Antispam X6
Personal Antispam X6

4.1

Spam filter for Mail, Entourage, Outlook, and more.
$79.95
1.6.1
JunkMatcher
JunkMatcher

4.4

Spam filter add-on for Mail.app.
Free
3.1.4
MsgFiler
MsgFiler

4.5

Quickly file emails into existing mailbox folders.
$9.99
1.0
Email Verifier
Email Verifier

3.7

Web-based email-address verification tool.
Free
1.3.2
MailBar
MailBar

3.1

Manage your Inbox from the menu bar.
$9.95
1.4.0b8
GrowlMail
GrowlMail

3.8

Receive Growl notifications for incoming mail (beta).
Free
1.4.5
ForgetMeNot
ForgetMeNot

4.3

Helpful reminder for email attachments.
$9.95
1.8
MailRecent
MailRecent

4.5

Adds ability to copy to, move to, or go to recent Apple mailbox.
Free
2.3.4
MailboxManager
MailboxManager

5.0

Check POP3 mail on server before downloading.
$14.99
1.4.1
MailPluginFix
MailPluginFix

4.8

Fix incompatible Mail.app plugins after updates.
Free
2.0.8
Boxy
Boxy

4.8

Desktop client for Inbox by Gmail.
Free