Configuring IP pools
The Profile > IP Pool > IP Pool tab displays the list of IP pool profiles.
IP pools define a range of IP addresses, and can be used in multiple ways:
- To define source IP addresses used by the FortiMail unit if you want outgoing email to originate from a range of IP addresses (see IP pool)
- To define destination addresses used by the FortiMail unit if you want incoming email to destine to the virtual host on a range of IP addresses (see IP pool)
Each email that the FortiMail unit sends will use the next IP address in the range. When the last IP address in the range is used, the next email will use the first IP address.
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To manage IP pool profiles
- Go to Profile > IP Pool > IP Pool.
- Either click New to add a profile or double-click a profile to modify it. The profile name is editable later.
- Configuring the following:
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GUI item |
Description |
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Pool name |
Enter a name. The name must contain only alphanumeric characters, hyphens ( |
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IP Group |
Click New to create a new IP group, which can be an IP/netmask or IP range. For example, 192.168.1.0/24. |
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Comment |
Optionally enter a descriptive comment. |
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SMTP Certificate |
If you want to bind a certificate to this IP pool profile for TLS purpose, under SMTP Certificate, select a certificate and specify if the certificate will be used for mail receiving, delivery, or both. For example, if FortiMail protects several mail servers for several customers, you may want to bind the customer’s own certificate to the customer’s IP pool. |
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SMTP Session |
By default, FortiMail uses its system host name as the greeting name in the SMTP sessions. In some cases, for example, when different IP pools are bound to different domains, you may want to use different host names for different IP pools. To to this, under SMTP Session, select Use other name and specify the host name to use. This setting is applicable when FortiMail is connecting as a server or a client. |
To apply the IP pool, select it when configuring a protected domain (you can use the IP pool for delivering and/or receiving directions) or when configuring an IP-based policy. For details, see IP pool, and/or IP Pool.