Mail Transfer Agent - Based
on an optimized version of Qmail
Mail Delivery Agent - Developed
at Sify.
Mail Retrieval Agent - Developed
at Sify.
The Linux mail
server has been tested for volumes as high as
450,000 transactions/day on a simple hardware
comprising a Pentium II desktop having 512Mb RAM
and operating on the RedHat Linux 7.1 OS.
Key
Features of Sify Mail Server (Linux)
Support for 1 to 23 million virtual
email domains and 1 to 23 million email users per
domain.
Pluggable Authentication Modules.
Can be customized to run any third-party authentication
module.
Greater relay control, support for
authenticated SMTP and POP before SMTP.
Inbuilt Firewall to prevent unauthorized
access.
Coding in C language ensures closeness
to the OS for optimized performance.
Automated system to continuously monitor
all critical mail services.
Multiple Mail Client support: MS Outlook,
Outlook Express, Eudora, Netscape, Pine, and MUTT.
Easy to use and intuitive administration
tools.
Protection against denial of service
attacks.
LDAP address book facility.
Auto forwarding of mails
Bounced message notification to sender
Web-based Shared Folders
Web-based Calendaring
In addition to all the above mentioned features
we have customized and implemented a host of new and
creative features.
IMAP4
Rev1 and POP-3 Support Provides highly configurable out of the box IMAP
and POP-3 Support.
Support
for very large no of Domains Support for 1 to 23 million virtual email domains
using a "grow as it goes" balanced directory
tree. Sify itself hosts 5000+ Corporate Domains using
SLEMS
Customization
of Web-mail interface
Color schemes & Logo customisation can be done
to make the webmail pages appear customised to your
requirement. This allows you to provide an integrated
experience between the webmail and any intranet site
that you may have.
Users
Per Domain
Support for 1 to 23 million email users per domain
using the same balanced tree structure. Sify currently
supports 3 Million+ users currently with around 5000
users addition/day.
Autoresponder
Facility
Autoresponder facility enables users to send customized
automated replies. A typical example of this is vacation
replies.
Mail
Filters Supports creation of very flexible server side
filters - that can implement various permutations
of conditions for filtering mails. Allows for better
management and handling of mails coming in to the
user's mailbox on the server itself, before it gets
downloaded.
Mail
Migration
Pull External mail using POP3 ( Server level setting
using Web mail). Can be used for migration of mails
from an old mail ID to a new mail ID.
Also very useful to aggregate mails from multiple
mail accounts.
Bulletin
Feature
This feature delivers instant e-mail messages to all
users using a single i-node and hence conserving disk
space and disk IO. No other system in the world has
this feature. This can be used to broadcast important
company bulletins / flash news etc.
Accounting
Last login/last authentication
Last password change
User addition date/time
Statistics
and Reports (Optional)
Total mails received/sent per
day
Mails sent/received per user/Domain/IP
User additions per day
Alerts
(Optional)
Email alerts to administrators for system abnormalities,
queue status, system load.
Administration
Tools
Easy to use and intuitive administration tools to
manage the Mail System. alias, instant bulletins,
quota, user administration, mailbox cleanup, accounting,
security administration, etc)
Logs
Predefined path under which the logs are stored.
The Logs can be viewed in human readable format.
We maintain Logs separately for
POP3 Logs-POP3
connections with IP address and username
IMAP logs-IMAP
connections with IP address and username
Delivery and
Smtp logs- This will give the clear picture of incoming
and outgoing mails, with reasons for the bounce
backs if any.
Reports User friendly Mail statistics report that can
be run at any place.
This provide details of the domains
to which mails sent, Traffic, From ID list, Statistics
of Mail delivery , count of the mail, failure
reasons, delay time etc
Reports of Data transfer incurred
per domain (in GB per month)
Antispam
Plug-in Module
This has following features :
Block Sender Functionality
Global Server level Blacklist
- Private Blacklist
Global Server level Whitelist
(Trusted Sender list) - Private Whitelist
RBLs / DNSBLs Lookup - Public
Blacklists
Check valid User (Recipient)
functionality
Domain specific valid recipient
check.
Tarpitting functionality
Mail
Distributor (Optional)
This provides distributed mailing functionality (and
in fact it also works with any proprietary Solution
supporting SMTP). Clients can get value add if they
have any legacy mail servers supporting SMTP and want
move out some users from legacy solution to the Open
scalable solution, without changing the domain name,
they can use this. Clients can also get out of existing
legacy mailing solutions by deploying the relay server
software without causing customer impact and downtimes.
System Requirements
PC with an Intel
or compatible Pentium III* 600 MHz or higher.