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Introducing Symantec Mail Security for SMTP

Changes for Symantec Mail Security for SMTP users

Changes for Symantec Mail Security for SMTP users

For users of Symantec Mail Security for SMTP 4.1, Version 5.0 provides a host of 
expanded and improved capabilities. In addition to the new features listed in 

Inbound and 
outbound 
content 
controls

True file type recognition for 
content compliance filtering

Automatically detects file types without relying on file name 
extensions or MIME types.

Keywords filtering within 
attachments, keyword 
frequency filtering

Scan within attachments to find keywords from dictionaries you 
create or edit. Specify a number of occurrences to look for.

Regular expression filtering

Use regular expressions to further customize filter conditions by 
searching within messages and attachments.

Support for third party 
archival tools

Specify conditions that result in email being sent to an archival 
email address or disk location.

Flexible mail 
management

LDAP integration and 
synchronization for policies

Dynamic group population via any of several supported LDAP 
servers

Expanded variety of actions 
and combinations

More than two dozen actions that can be taken on messages, with 
many combinations of multiple actions available.

Expanded mail controls

SMTP connection management, support for secure email (TLS 
encryption), user-based routing, address masquerading, invalid 
recipient handling, control over delivery queue processing, 
support for static routes

Aliasing

Distribution lists automatically expanded, mail filtered and 
delivered correctly for each user

Improved 
reporting and 
monitoring

Extensive set of pre-built 
reports, scheduled reporting, 
additional alert conditions, 
remote syslog support

More than 50 graphical reports that you can generate ad-hoc or 
on a scheduled basis. Reports can be exported for offline analysis 
and emailed.

Message tracking

View a trail of detailed information about a message, including 
the filtering processing applied to a message.

Expanded 
administration 
capabilities

IP-based access control

Control which hosts and networks can access your Control Center.

Control over Quarantine size 
limits

Specify user-based and total limits, configure automatic message 
deletions.

Table 1-1

New features for Symantec Mail Security for SMTP and Symantec Brightmail Antispam

Category

Features

Description

Summary of Contents for 10765539 - Mail Security For SMTP

Page 1: ...Symantec Mail Security for SMTP Planning Guide...

Page 2: ...by any means without prior written authorization of Symantec Corporation and its licensors if any THE DOCUMENTATION IS PROVIDED AS IS AND ALL EXPRESS OR IMPLIED CONDITIONS REPRESENTATIONS AND WARRANT...

Page 3: ...rade insurance that delivers automatic software upgrade protection Content Updates for spam and virus definitions and security signatures that ensure the highest level of protection Global support fro...

Page 4: ...leshooting performed prior to contacting Symantec Recent software configuration changes and or network changes Customer Service To contact Enterprise Customer Service online go to http www symantec co...

Page 5: ...Chapter 2 Planning your deployment General deployment considerations 17 MTA usage 17 Configuring Scanners 17 Positioning with other filtering products 18 Filtering internal deliveries 18 LDAP compatib...

Page 6: ...e requirements 27 Minimum hardware requirements 27 Minimum software requirements 28 Reserved ports 31 Factors that affect performance 32 Hardware components that affect performance 32 Environmental fa...

Page 7: ...rehensive gateway based email security solution through the following Antispam technology Symantec s state of the art spam filters assess and classify email as it enters your site Antivirus technology...

Page 8: ...r system system logs and extensive customizable reporting Use it to configure both system wide and host specific details The Control Center provides the Setup Wizard for initial configuration of all S...

Page 9: ...Architecture Architecture Your Symantec Mail Security for SMTP installation processes a email message as follows For the sake of discussion our sample message passes through the Filtering Engine to th...

Page 10: ...cked against end user defined Language settings The Transformation Engine performs actions per recipient based on filtering results and configurable Group Policies New features for all users Table 1 1...

Page 11: ...supported LDAP servers Expanded variety of actions and combinations More than two dozen actions that can be taken on messages with many combinations of multiple actions available Expanded mail contro...

Page 12: ...ross all servers with one interface Group Policies Create separate inbound and outbound policies for an unlimited number of groups of users You can specify groups of users based on email addresses dom...

Page 13: ...cklists Configurable administrator timeout for the management interface Changes for Symantec Brightmail Antispam users Although the product name has changed if you were a Symantec Brightmail Antispam...

Page 14: ...policies for each user group Flexible mail management More flexible Group Policies Use LDAP groups to populate groups for Group Policies Multiple actions Specify more than one action to take on specif...

Page 15: ...for more information about your product The following online resources are available Provides access to the technical support Knowledge Base newsgroups contact information downloads and mailing list s...

Page 16: ...16 Introducing Symantec Mail Security for SMTP Where to get more information...

Page 17: ...filtering activities Note Symantec Mail Security for SMTP provides neither mailbox access for end users nor message storage it is not suitable for use as the only MTA in your email infrastructure Con...

Page 18: ...data from your company s LDAP accessible directories with its own database SyncService lets Symantec Mail Security for SMTP re normalize and index the data to fit the needs of Scanner Control Center a...

Page 19: ...ord This allows them to send spam directly to the old server bypassing your spam filtering To prevent spammers from circumventing the new spam filtering servers you should do one of the following Remo...

Page 20: ...ng Secure Email Services and relaying mail to other relay layers or to the user facing mail server layer On all configured server computers port 443 must be configured to permit outbound connections t...

Page 21: ...cannot be installed on the server running Exchange Multi tier gateway deployment Note This model may be implemented with one or more Scanner hosts The following figure shows Symantec Mail Security for...

Page 22: ...s to take individual Scanners offline for maintenance without incurring downtime This scenario enables load balancing of filtered mail across multiple downstream MTAs Considerations This approach requ...

Page 23: ...TAs downstream Figure 2 3 Post Gateway deployment Advantages If you have a customized MTA or specific business needs then running this configuration may outweigh the extra overhead and loss of functio...

Page 24: ...24 Planning your deployment Deployment models...

Page 25: ...roup of actions to perform given a particular verdict Each category of unwanted email includes one or more verdicts conclusions reached on a message by the filtering process Symantec Mail Security for...

Page 26: ...mantec Mail Security for SMTP Administration Guide for more information Deployment considerations The following table lists deployment considerations for select actions Table 3 1 Deployment considerat...

Page 27: ...tion gives detailed requirements for each supported platform Minimum hardware requirements Hardware requirements vary depending on the number of email users and the amount of email traffic The minimum...

Page 28: ...cessor or compatible 1 GB RAM minimum 2 GB or more recommended 512 MB disk space minimum 2 GB or more recommended Solaris UltraSPARC processor 1 GB RAM minimum 2 GB or more recommended 512 MB disk spa...

Page 29: ...Security for SMTP component on that computer After installation The subfolder where Symantec Mail Security for SMTP is installed and its subdirectories are created with the default permissions relativ...

Page 30: ...ity for SMTP Installation Guide for more information Alias Create a mail alias for the mailwall account so that all mail sent to mailwall is read by an administrator Domain name A fully qualified doma...

Page 31: ...y bound ports Port Component or function 22 Control Center to internal server connection 3306 MySQL database connection 11000 11004 LDAP sync 11011 11013 LDAP sync 41025 Spam Quarantine 41000 BMI clie...

Page 32: ...age but powerful CPUs and memory especially if virus scanning is enabled Disk space The Control Center likely needs much more disk space depending on the volume of logging reporting and quarantined me...

Page 33: ...documentation for more information External MTA performance If appropriate determine the performance of the MTA sending incoming email to your MTA and the performance of your gateway MTAs and message...

Page 34: ...ons refer to the Symantec Mail Security for STMP Administration Guide Control Center performance considerations The Control Center is used to start and stop servers view logs and reports set configura...

Page 35: ...per day into Spam Quarantine The more messages placed in the Spam Quarantine the larger the database and the more processing required Reduce the maximum size of the Spam Quarantine database by deletin...

Page 36: ...36 Understanding system requirements Factors that affect performance...

Page 37: ...Symantec Mail Security for SMTP new or changed features 11 filtering intra enterprise 18 performance considerations 33 Filtering Engine 10 Filtering Hub 10 filters email categories for 25 verdicts 25...

Page 38: ...arantine 35 ports reserved 31 positioning with other filtering products 18 post gateway deployment 23 advantages 23 considerations 23 R requirements 27 28 reserved ports 31 S Scanners 8 configuring 17...

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