| | IMail provides a wide range of security options to protect your network resources and your users' privacy.
IMail Server's support for 128-Bit SSL (Secure Sockets Layer) encryption in Web Messaging and Web Calendaring protects passwords and content from prying eyes.
SMTP security options let you block unsolicited mail and prevent your system from being used as a relay by junk mailers.
Greater security with flexible security levels
Administrators can provide greater system security since they have more flexibility in managing user security levels. Administrators can choose the connection level via the Web for sending and receiving e-mail: must use SSL, option to use SSL, no SSL option. For added security, IMail Server can temporarily suspend a user if a login fails too many times.
IMail Server was the first NT-based mail server to offer anti-relaying, and continues to build on that solid security record. It allows you to...
- Securely exchange encrypted passwords with popular e-mail clients such as Outlook, Eudora, Netscape and Paladin using APOP or CRAM-MD5
- Block mail from selected IP addresses or domains
- Authenticate users before allowing them to send mail through your server (SMTP AUTH)
- Allow relay (sending through your server) only for local users or users on local hosts, and specify what is considered local
- Limit the number of recipients per outgoing message to help prevent spamming from your own users
- Filter incoming mail to users and lists by content to cut down on the receipt of junk e-mail
- Stop e-mail viruses by filtering for hostile file types
- Set maximum outbound message size to enforce service level agreements and usage policies
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