Mac Apps for E-mail Software

Emailchemy

Trial version

Import/export e-mails.

LDapper

Free

LDAP client for finding email addresses, no LDAP support needed in email client

PstExporter

Trial version

Convert Outlook pst files to mbox.

ListSTAR

Trial version

List server manages email groups and on demand services.

SysTools Mac MBOX Converter

Trial version

Convert Mac MBOX Files to PST, PDF, EML, EMLX, MSG, and HTML on Mac system.

Mail Stationery

Paid

Collection of 100 top-quality templates for Apple Mail.

Mail Scripts

Free

Workflow-enhancing AppleScripts for Mail & Address Book.

MailRecent Mail Plugin

Free

Copy to, move to, or open a recently used mailbox.

Letterbox

Free

Widescreen plugin for Mail.app.

Mail Beacon (OS X)

Trial version

Read your e-mail online and filter out spam or large attachments.

Notify

Trial version

Put a compact e-mail client into the menu bar.

MacUncle PST Converter

Trial version

Convert PST files to commonly used file formats such as EML, MSG, MBOX, HTML, MHT, ICS, vCard.

SysTools Mac EML Converter

Trial version

Convert EMLX \ EML files to MBOX, MSG, HTML, TXT, PDF, PST, EML / EMLX.

Secure Medical Email Hosting

Trial version

Medical Doctor's HIPAA email, manage PHI and voice transcription, messaging.

PicSecret

Free

Hide secret message in regular pictures.

Mail Scheduler

Trial version

Schedule your sending of e-mail in advance.

Kerio Connect

Trial version

Alternative to Microsoft Exchange.

Mailvita MSG to EML Converter

Trial version

Convert MSG files to EML files format.

KidzMail

Trial version

Allow kids to draw pictures and send them to people in their e-mail address book.

MondoMail Email Plugin for FileMaker

Trial version

Send and receive email.

Max Mailwatch

Free

unread IMAP message checker in the menu bar

Baton Mail

Free

Incorporate mail authentication to older e-mail client software.

MailGoGoGo

Paid

spam filtering software