What's new in 3.7
	Others
	MailCarrier 3.7 version had none new function but changed and modified existing things. About changed and modified matters, you can read "Update history" documenation in the left menu.

	What's new in 3.5
	SecureMail
	To protect from leak for documentations, information in the company or a private person, supports SecureMail function. Mail message and attachment files are encoded with password and password-hint of sender. Strangers who don't know password with message can not view original email message. Opener can view original mail message whenever she(he) can connect internet and download ActiveX Control for decryption.
	Advanced Spam filter, Protect Phishing mails
	SPF(Sender Policy Framework) filter is added in Domain Spam filter. Now mail server can refuse to receiving mail from forgeries and spoofs before any message data is transmitted. Phising mails from as if sent from eBay.com, Paypal.com are refused by SPF policy.
	Smtp receiver service Upgrade
	When a mail is received from somewhere as many RCPT recipients, Spam checking process has improved. In result spam, virus and SpamOut checking is efficiently simplified and accelerated checking process for mail message.
	Others
	When a new message send to somewhere that have many mail servers, modified decision processing where connect first of all. Also it is modified a point of reference for DoS and modified message processing when a recevied message is sent to alias domain. Besides a few functions are modified or added in MailCarrier 3.5 version.

	What's new in 3.2
	Public Address Book
	Address Books are used by email programs to store information on contacts such as names, email addresses etc. The Web Interface has two address books. Every Web Interface user has a private address book to store contact information that is not accessible to other users. Also every Web user has a public address book shared by users in the same domain.
	LDAP Support
	MailCarrier can publish the public address book into a LDAP server and let mail users access it using LDAP clients such as Outlook and Outlook Express.
	Retrieving External POP3 Accounts
	With the MailCarrier WebMail, you can retrieve e-mail messages from external POP3 accounts and deliver them into any user's mailbox.
	SpamOut Upgrade
	In addition to the Bayesian spam filter, we have added the Spam URI Realtime Blocklists (SURBL) filter newly. Unlike most other RBLs, SURBLs are not used to block spam senders. Instead they allow you to block messages that have spam hosts which are mentioned in message bodies.
	Upload/Download Attachments
	When you download attachments with non-English(east Asia) filenames, the filenames are showed incorrectly or the download operations are failed. To solve the problem and enhance user interface, TABS Fileup ActiveX control is added in the WebMail. You can easily add or remove attachments when you write a new message and download attachments when you read a message.
	Advanced Management Tool
	The mail accounts are able to be imported from a CSV file and a database besides MailCarrier 1.0 data file. You can edit contacts and groups in the Management Tool. The backup function helps you protect mailbox data from accidental loss if your system's hardware or storage media fails. By using ntbackup utility in Windows you can backup and restore mailboxes easily.

	What's new in 3.0
	SpamOut™
	SpamOut™, an anti-spam filter using artificial intelligence technology, determines whether the mail is spam by thoroughly analyzing header information, title and text of message. SpamOut™ includes online-pattern updates and AI learning function, so that it can react actively against changeable spam mails without additional costs.
	Antivirus
	Antivirus function is added to block worm viruses via internet mails. ClamAV, Open Source software, is adopted to lower the Total Cost of Ownership(TCO), therefore those annual fees of commercial vaccines are unnecessary.
	Blocked & Safe Sender List
	You can manage senders in blocked or in safe lists. Mails from senders in blocked lists will be removed automatically, and mails from senders in safe lists will be allowed without any other spam inspection except virus detection.
	Advanced WebMail
	Using indexing service, you can retrieve fast and accurately messages stored in mailboxes. Design is fully enhanced for more refined and convenient web mail environment. You can confirm the status of receipt of message from individual receivers. It is developed under Unicode basis to support various types of languages.
	Others
	You can specify options about what to do with mail for unknown local users. Security is much enhanced by providing selection on services available by individual user's necessity.