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ISMail
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ISMail Pro
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ISMail EP
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| Accounts |
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| Account quotas |
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| Account disable - accounts may be selectively disabled. |
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| Aliasing - messages may be redirected from one account to another. |
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| Autoresponder - automatically send a response message. Subject and message are configurable by account. |
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| Auto-account creation - allow users to create accounts . May be controlled for each domain. |
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| Catch-all account - messages for unknown accounts may be collected in a single account. |
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| Forwarding - messages may be forwarded to one or more accounts. A copy may be kept. |
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| List accounts - mailing list accounts (see List Server). |
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| Public account - a public account is accessible by one or more users. |
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| Shared accounts - accounts may be shared with one or more users. Each account has its own permissions. |
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| Administrative |
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| Windows administration - Windows control panel for managing server. |
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| Remote administration - manage server remotely using web browser. |
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| Remote domain management - domain managers can manage domain settings and control accounts remotely using web control panel. |
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| Remote user management - users can manage their own accounts. |
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| Archival - all messages processed by server can be archived for auditing or tracking purposes. |
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| Backup - performs scheduled backups of system configuration and/or account messages. |
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| Anti-spam |
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| Blacklist - always block messages from specified IPs, domain names, or accounts. |
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| Heuristic filter (SpamAssassinTM) combines content filtering, SURBLs, Bayes filtering and learning techniques to block messages. |
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| Content filters - header and message body keyword filters block specific messages. |
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| Greylist - messages from 'unknown' IPs and senders are temporarily delayed to defend against 'hit-and-run' attacks. |
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| Maximum recipients - maximum number of recipients for messages may be configured. |
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| RBLs (real-time blacklists) - two RBL lists may be used to block messages. RBL blocking values are configurable and may include ranges. |
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| Reverse DNS - block connections unless sender has PTR record. |
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| Routing - re-routed messages to another account (e.g. spam account) |
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| Tagging - tag message header with spam identifier. |
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| Whitelist - always accept messages from specified IPs, domain names, or accounts. |
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| Logging - daily filter logs record filter actions for each message. |
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| Anti-virus |
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| Scanner - supports command line anti-virus scanners. |
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| Diagnostics |
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| Network test - on-line network and server configuration test checks routers, firewalls, and server configuration. |
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| Message test - send a message to any domain on the server for quick operational testing. |
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| Domains |
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| Unlimited - an unlimited number of domains are supported. |
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| Virtual domains - multiple domains can use the same IP address. |
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| IP domains - dedicated IP addresses. |
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| IMAP |
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| IDLE command |
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| Server threading |
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| Server sorting |
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| Subfolders - folders may either contain other folders (subfolders) or may contain messages (normal folders). |
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| ACL (Access Control List) - each mail folder has full ACL control. |
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| Public folder |
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| Shared folders |
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| SSL/TLS encryption |
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| LDAP |
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| LDAP server - server is based on OpenLDAP server. |
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| Address book - use LDAP for client address books. |
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| Account database - use LDAP as a database for accounts. |
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| Remote verification - verify remote accounts for SMTP gateways via LDAP. |
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| Import / Export - account information may be imported from an LDAP database, or exported to an LDAP database by domain or for the entire server. |
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| Management - LDAP databases may be created, deleted, and viewed. |
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| List Server |
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| Subscribe - subscribe by email; confirmation may be required. |
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| Unsubscribe - unsubscribe by email; confirmation may be required. |
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| Member-only posting - limit posting to list to subscribers. |
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| Import subscribers - import from lists or accounts. |
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| Subject line prefix - each message may have a prefix inserted on the Subject line. |
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| Mail Gateway / Relay |
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| Clustering - may be used with other servers in a cluster for improved reliability. Use as 'upstream' or 'downstream' server, or as both. |
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| SMTP Gateway / Relay - SMTP gateway (relay) or firewall services including anti-spam and anti-virus filtering for other SMTP servers. |
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| ETRN - the ETRN SMTP command is sent and received with (relayed) upstream and downstream domains. |
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| Remote verification - LDAP or ODBC databases may be used to verify remote accounts. |
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| RPOP Gateway (POP download) - provides POP gateway services including accessing remote POP accounts and forwarding messages. Supports SASL and APOP secure logins. |
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| ODBC |
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| Address book - use ODBC for client address books. |
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| Account database - use ODBC as a database for accounts. |
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| Remote verification - verify remote accounts for SMTP gateways via ODBC. |
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| Import / Export - account information may be imported from an ODBC database, or exported to an ODBC database by domain or for the entire server. |
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| Management - ODBC database tables may be created, deleted, and viewed. |
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| POP |
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| Compatible with all major POP3 client programs. |
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| Remote POP - retrieve messages from POP mail accounts on other mail servers. Supports SASL and APOP secure logins. |
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| SSL/TLS encryption |
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| Security |
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| Connection limits - restrict maximum number of connections from a single IP address and from multiple IP addresses |
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| IP control - SMTP connections from specified IPs or IP ranges are blocked.. |
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| Disk space - maintains minimum free disk space available. |
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| Login throttling - limits login retries and retry rate |
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| Secure login - SASL CRAM-MD5 logins for POP and IMAP servers. |
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| SMTP authentication - senders must authenticate on SMTP server to send messages to remote accounts. |
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| SSL/TLS - secure 256-bit encryption |
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| SMTP |
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| Incoming port - listen for connections on any port. |
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| Secondary incoming port - listen for connections on alternate port. |
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| Outgoing port - connect to remote port based on sending domain name, or use the same port for all domains. |
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| Incoming IP - listen for connections on a specific IP, or listen on any available IP. |
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| Secondary incoming IP - listen for connections on an alternate IP, or listen on any available IP. |
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| Outgoing IP - connect to remote server using an IP-based domain, or connect using any available IP (virtual domain). |
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| Incoming connections - maximum parallel incoming connections may be configured. |
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| Outgoing connections - maximum parallel outgoing connections may be configured. |
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| DNS - performs parallel DNS transactions. |
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| Messages sizes - limits messages to maximum specified size. |
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| Real-time monitor - a window continuously displays log information. |
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| Pipelined connections - multiple messages transmitted on same connection for high throughput. |
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| Smarthost - a relay may be used for all outbound connections. The outgoing SMTP port is configurable, and SMTP authentication may be used with the relay. |
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| TLS encryption |
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| Logging - detailed server log records all message traffic, internal state, and error conditions. |
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| Webmail |
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| Account management - configure account settings from Webmail. |
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| Drag-and-drop - messages may be moved among folders by clicking and dragging, similar to Windows interface. |
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| Flags - message 'answered', attachment, and priority ('urgent') flags. |
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| Highlighting - unread messages are highlighted. |
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| Integrated Groupware |
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| LDAP address lookups - LDAP server may be used to lookup account addresses. |
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| Multiple Calendars |
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| New mail notify - automatically retrieves new messages. Visible and audible alerts. |
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| Personal Address book |
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| Personal Calendar |
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| Preview pane - messages are displayed below message list in a separate pane (double-click for separate message window). |
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| Public folder - messages may be shared with all accounts. |
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| Shared folders - messages may be shared with other accounts. |
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| Search - messages may be searched by folder. |
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| Sorting - messages may be sorted based on sender, date, or subject. |
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| SSL encryption |
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