DeskNow - Mail and collaboration server

Mail server

Supported protocols

SMTP protocol with the following capability extensions: SIZE (rfc1870), STARTTLS (rfc2487), AUTH (rfc2554)
IMAP4 protocol with the following capability extensions: IDLE (rfc2177), NAMESPACE (rfc2342), CRAM-MD5 authentication (rfc2195)
POP3 protocol
plain and SSL-encrypted connections for SMTP, POP3, IMAP4

Security and content filtering

advanced antispam features
antivirus scanning integrating with most commercial and free antivirus tools
complete content filtering: block incoming and outgoing messages containing prohibited terms, particular attachments names/types/sizes. Use different settings for incoming and outgoing mail. Use different settings for every domain
automatic time-limited mail addresses to use in public forums: these addresses expire at a set date, to avoid spam

Traffic control

define limits like max messages sent per hour or per day, maximum number of recipients per connection, etc.

Flexibility

unlimited domains, domain aliases
unlimited mailing lists with access control
unlimited mail aliases (for user accounts and domains). Mail aliases can be in a domain or across domains (e.g. you can have an alias like *@oldcompanyname.com -> *@newcompanyname.com)
users can set automatic replies, forwards and much more using powerful mail filters
vacation autoresponders with start/stop dates and exclusion of mailing lists
personal and shared distribution lists integrated with the address book
shared mail folders with flexible permissions and common or per-user read flags. easily setup a company inbox, have all replies stored in the same folder automatically

Mailing lists

define unlimited mailing lists for each domain
assign permissions to mailing lists, by users, groups, communities, members
define custom footers, reply to, etc
easily add single addresses, groups, communities to the mailing list
import mailing list form text file, or use custom API to add/remove addresses from other scripts/applicaitons
enable self-subscription and unsubscription to mailing list via integrated or customized web form, with custom confirmation emails

Routing and mail fetching

SMTP forwarding: forward all outgoing emails to another SMTP server
static routing: define forwarding SMTP routes for particular target domains (bypassing MX records)
restrict SMTP relaying to block open relay spamming: authorize only specific IP/subnets, and/or use SMTP client authentication
retrieve emails from external POP3 accounts. Distribute emails coming from a single mailbox to different users

Easy administration

web based administration
easily restore emails, folders, entire accounts from the nightly backup - no need to setup a second server to extract a message from the backup!
import mail accounts from existing IMAP servers - even in batch
import messages from Unix mbox format
import messages via IMAP drag&drop from any mail client
can be disabled to make DeskNow Mail and Collaboration server work with your existing mail server (Exchange, Notes, Qmail, etc.)

Automatic migration from other servers

automatically migrate accounts and emails from Exchange or any other IMAP mail server. Includes smart import of Exchange aliases

Features