Enhance Outlook Express with full-featured, automatic spell checking with minimal cost! Award-winning AutoSpellâ„¢ for Outlook Express quickly and easily plugs into your application, and automatically checks spelling whenever you click Send. With support for over 16 languages and legal, medical and custom dictionaries, your e-mail messages will look their best
PSTCompactor (Professional Edition)
Reduces Microsoft Outlook PST file sizes at home or across the Corporate network. Compress (zip) attachments, automate compaction, etc. Suitable for management and implementation of Enterprise Email Policies. No changes to Exchange necessary.
Email Backup Pro
Email Backup Pro can backup,manage and monitor all the emails that received or send by the email software(e.g:Outlook Express) in local area network.
SpamAI Lite Email Filter Software
SpamAI filters 99% of spam in single-user mode on Windows. Free. Never expires. Adds footer on received email. SpamAI uses spammer evasions to trip them up so that intentional misspellings, tracking images, etc. actually trigger the spam filter.
TickerMyMail
TickerMyMail helps you to keep on top of all the emails. As soon as a new email arrives in your inbox, you will be notified by a ticker tape running across your screen. You can delete spam without downloading it. Supports : POP3, IMAP4, MAPI and AOL
Vspire psGmail for Gmail
psGmail allows you to check your Gmail account e-mail from a normal POP mail client (such as outlook,Thunderbird etc). it also allows you to send e-mails through Gmail's service.and it can send you a msn-style new mail alerts Instantly.