Fortinet FortiMail-100 - Http:;;Docs.fortinet.com

Gateway mode deployment Example 1: FortiMail unit behind a firewall
FortiMail™ Secure Messaging Platform Version 4.0 Patch 1 Install Guide
Revision 2 101
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4 Select OK.
To add a custom service for FortiGuard Antispam rating queries
1 Go to Firewall > Service > Custom.
2 Select Create New.
3 Configure the following:
4 Select OK.
To add a service group for incoming FortiMail traffic
1 Go to Firewall > Service > Group.
2 Select Create New.
3 In Group Name, enter a name to identify the service group entry, such as
FortiMail_incoming_services.
4 In the Available Services area, select HTTP, HTTPS, SMTP, and your custom service
for FortiGuard Antivirus push updates, FortiMail_antivirus_push_updates, then select
the right arrow to move them to the Members area.
5 Select OK.
To add a service group for outgoing FortiMail traffic
1 Go to Firewall > Service > Group.
2 Select Create New.
3 In Group Name, enter a name to identify the service group entry, such as
FortiMail_outgoing_services.
4 In the Available Services area, select DNS, NTP, HTTPS, SMTP, and your custom
service for FortiGuard Antispam rating queries, FortiMail_antispam_rating_queries,
then select the right arrow to move them to the Members area.
5 Select OK.
To add a service group for email user traffic
1 Go to Firewall > Service > Group.
2 Select Create New.
3 In Group Name, enter a name to identify the service group entry, such as
PO3_IMAP_services.
4 In the Available Services area, select POP3 and IMAP, then select the right arrow to
move them to the Members area.
Low Enter 9443.
High Enter 9443.
Name Enter a name to identify the custom service entry,
such as
FortiMail_antispam_rating_queries.
Protocol Type Select TCP/UDP.
Protocol Select UDP.
Destination Port
Low Enter 8889.
High Enter 8889.