It is secure and cast effective server, which is work on postfix and SMTP protocol.
Unlimited email ID’s for dedicated server
Control panel under Graphical Tools.
Unlimited attachment can send.
Virtual Domains to host multiple domains.
Enforcing mail quotas .
Incoming / Outgoing copies of all mail boxes in separate mailbox .
Routing mail to another mail server.
Whitelist domains, Sub-domains, Email ID’s.
Limiting attachment data size.
Deny permission to send attachment.
Blacklist domains, sub-domains, Email ID’s to stop spam.
Mail log analysis tool and more.