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Table 2-2, Description, SMTP Defaults outbound settings

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32 Configuring system settings Configuring host (Scanner) settings Table 2-2 SMTP Defaults page-outbound settings Item Description Maximum number of connections Sets the maximum number of permissible simultaneous outbound connections. Additional attempted connections are rejected. The default is 2,000 connections. Maximum number of (Not available on Windows systems.) Sets the maximum number connections from a single of permissible simultaneous outbound connections from a IP address single IP address. Additional attempted connections are rejected. The default is 20 connections. Maximum number of Sets the maximum number of permissible simultaneous connections from a single outbound connections from a single IP address. Additional IP address attempted connections are rejected. The default is 20 connections. Maximum message size in Sets the maximum size allowable for a message before it is bytes rejected. The default is 10,485,760 bytes. Maximum number of Indicates the maximum number of recipients permitted for a recipients per message message. The default is 1,024 recipients. Default domain for sender Sets a default domain when none can be found in the message. addresses with no domain Insert RECEIVED header to outbound messages Places a RECEIVED header in the message during outbound SMTP processing when checked. When unchecked, no RECEIVED header is inserted during outbound SMTP processing. If Insert RECEIVED header to outbound messages and Strip pre-existing RECEIVED headers from outbound messages are both checked, the outbound SMTP RECEIVED header remains when the message goes to the delivery queue. Strip pre-existing RECEIVED headers from outbound messages Removes all RECEIVED headers for the message when checked. When headers are stripped, message looping can occur depending on the settings of other MTAs. When unchecked, RECEIVED headers remain in the message during outbound processing. The RECEIVED header for outbound SMTP processing remains in the message when Insert RECEIVED header to outbound messages and Strip pre-existing RECEIVED headers from outbound messages are checked. Enable reverse DNS lookup Causes the system to perform reverse DNS lookup on the SMTP client IP addresses to resolve the IP address to a name when checked. This is the default condition. When unchecked, reverse DNS lookup is not performed for outbound messages.

Section	Page
Symantec Mail Security Administration Guide	1
Technical Support	3
Contents	9
1. About Symantec Mail Security	15
Key features	15
New features	16
Functional overview	18
Architecture	19
Where to get more information	20
2. Configuring system settings	23
Configuring certificate settings	23
Manage certificates	24
Configuring host (Scanner) settings	25
Working with Services	26
HTTP proxies	27
SMTP Scanner settings	27
Configuring Default SMTP Settings	31
Configuring internal mail hosts	35
Testing Scanners	35
Configuring LDAP settings	36
Configure LDAP settings	37
Synchronization status information	43
Replicating data to Scanners	45
Starting and stopping replication	46
Replication status information	46
Troubleshooting replication	47
Configuring Control Center settings	48
Control Center administration	49
Control Center certificate	50
Configuring, enabling and scheduling Scanner replication	50
Control Center Settings	51
System locale	52
3. Configuring email settings	53
Configuring address masquerading	53
Importing masqueraded entries	54
Configuring aliases	55
Managing aliases	56
Importing aliases	57
Configuring local domains	58
Importing local domains and email addresses	59
Understanding spam settings	60
Configuring suspected spam	61
Choosing language identification type	61
Software acceleration	62
Configuring spam settings	62
Configuring virus settings	62
Configuring LiveUpdate	63
Excluding files from virus scanning	64
Configuring Bloodhound settings	64
Configuring invalid recipient handling	65
Configuring scanning settings	66
Configuring container settings	66
Configuring content filtering settings	67
4. Configuring email filtering	69
About email filtering	69
Notes on filtering actions	78
Multiple actions per verdict	79
Multiple group policies	81
Security risks	81
About precedence	83
Creating groups and adding members	84
Add or remove members from a group	84
Assigning filter policies to a group	87
Selecting virus policies for a group	87
Selecting spam policies for a group	89
Selecting compliance policies for a group	89
Enabling and disabling end user settings	90
Allowing or blocking email based on language	92
Managing Group Policies	92
Manage Group Policies	93
Creating virus, spam, and compliance filter policies	94
Creating virus policies	94
Creating spam policies	96
Creating compliance policies	98
Managing Email Firewall policies	107
Configuring attack recognition	107
Configuring sender groups	108
Configuring Sender Authentication	119
Managing policy resources	120
Annotating messages	120
Archiving messages	122
Configuring attachment lists	124
Configuring dictionaries	126
Adding and editing notifications	128
5. Working with Spam Quarantine	131
About Spam Quarantine	131
Delivering messages to Spam Quarantine	132
Working with messages in Spam Quarantine for administrators	132
Accessing Spam Quarantine	132
Checking for new Spam Quarantine messages	133
Administrator message list page	133
Administrator message details page	135
Searching messages	137
Configuring Spam Quarantine	140
Delivering messages to Spam Quarantine from the Scanner	140
Configuring Spam Quarantine port for incoming email	141
Configuring Spam Quarantine for administrator-only access	141
Configuring the Delete Unresolved Email setting	142
Configuring the login help	142
Configuring recipients for misidentified messages	142
Configuring the user and distribution list notification digests	143
Configuring the Spam Quarantine Expunger	149
Specifying Spam Quarantine message and size thresholds	150
Troubleshooting Spam Quarantine	150
6. Working with Suspect Virus Quarantine	157
About Suspect Virus Quarantine	157
Routing messages to Suspect Virus Quarantine	157
Accessing Suspect Virus Quarantine	158
Checking for new Suspect Virus Quarantine messages	158
Suspect Virus Quarantine messages page	158
Searching messages	160
Configuring Suspect Virus Quarantine	162
Configuring Suspect Virus Quarantine port for incoming email	162
Configuring the size for Suspect Virus Quarantine	163
7. Testing Symantec Mail Security	165
Verifying normal delivery	165
Verifying spam filtering	165
Testing antivirus filtering	166
Verifying filtering to Spam Quarantine	167
8. Configuring alerts and logs	169
About alerts	169
Configuring alerts	171
Viewing logs	171
Working with logs	172
About logs	173
Configuring logs	173
9. Working with Reports	177
About reports	177
Selecting report data to track	178
Choosing a report	178
About charts and tables	188
Setting the retention period for report data	188
Running reports	189
Saving and editing Favorite Reports	190
Running and deleting favorite reports	190
Troubleshooting report generation	191
No data available for the report type specified	191
Sender HELO domain or IP connection shows gateway information	191
Reports presented in local time of Control Center	191
By default, data are saved for one week	192
Processed message count recorded per message, not per recipient	192
Recipient count equals message count	193
Deferred or rejected messages are not counted as received	193
Reports limited to 1,000 rows	193
Printing, saving, and emailing reports	193
Print, save, or email reports	194
Scheduling reports to be emailed	194
Schedule, Edit, or Delete Reports	194
10. Administering the system	197
Getting status information	197
Overview of system information	198
Message status	198
Host details	203
LDAP Synchronization	204
Log details	204
Version Information	204
Scanner replication	205
Managing Scanners	205
Editing Scanners	205
Enabling and disabling Scanners	206
Deleting Scanners	207
Administering the system through the Control Center	208
Managing system administrators	208
Managing software licenses	209
Administering the Control Center	209
Starting and stopping the Control Center	209
Checking the Control Center error log	210
Increasing the amount of information in BrightmailLog.log	211
Starting and stopping UNIX and Windows services	213
Starting and stopping Windows services	213
Starting and stopping UNIX services	215
Periodic system maintenance	215
Backing up logs data	216
Backing up the Spam and Virus Quarantine databases	216
Maintaining adequate disk space	219
A. Integrating Symantec Mail Security with Symantec Security Information Manager	221
About Symantec Security Information Manager	221
Interpreting events in the Information Manager	222
Configuring data sources	223
Firewall events that are sent to the Information Manager	224
Definition Update events that are sent to the Information Manager	224
Message events that are sent to the Information Manager	225
Administration events that are sent to the Information Manager	226
Glossary	229

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Table 2-2

SMTP Defaults page—outbound settings

Description

Item

Sets the maximum number of permissible simultaneous

outbound connections. Additional attempted connections are

rejected. The default is 2,000 connections.

Maximum number of

connections

(Not available on Windows systems.) Sets the maximum number

of permissible simultaneous outbound connections from a

single IP address. Additional attempted connections are

rejected. The default is 20 connections.

Maximum number of

connections from a single

IP address

Sets the maximum number of permissible simultaneous

outbound connections from a single IP address. Additional

attempted connections are rejected. The default is 20

connections.

Maximum number of

connections from a single

IP address

Sets the maximum size allowable for a message before it is

rejected. The default is 10,485,760 bytes.

Maximum message size in

bytes

Indicates the maximum number of recipients permitted for a

message. The default is 1,024 recipients.

Maximum number of

recipients per message

Sets a default domain when none can be found in the message.

Default domain for sender

addresses with no domain

Places a RECEIVED header in the message during outbound

SMTP processing when checked. When unchecked, no

RECEIVED header is inserted during outbound SMTP

processing. If Insert RECEIVED header to outbound messages

and Strip pre-existing RECEIVED headers from outbound

messages are both checked, the outbound SMTP RECEIVED

header remains when the message goes to the delivery queue.

Insert RECEIVED header

to outbound messages

Removes all RECEIVED headers for the message when checked.

When headers are stripped, message looping can occur

depending on the settings of other MTAs. When unchecked,

RECEIVED headers remain in the message during outbound

processing. The RECEIVED header for outbound SMTP

processing remains in the message when Insert RECEIVED

header to outbound messages and Strip pre-existing RECEIVED

headers from outbound messages are checked.

Strip pre-existing

RECEIVED headers from

outbound messages

Causes the system to perform reverse DNS lookup on the SMTP

client IP addresses to resolve the IP address to a name when

checked. This is the default condition. When unchecked, reverse

DNS lookup is not performed for outbound messages.

Enable reverse DNS

lookup

Configuring system settings

Configuring host (Scanner) settings