POP3 / IMAP - Control Access

Important: After making changes, click Save. Navigate to the POP3 / IMAP Settings page, stop the service, wait 5-10 seconds and restart the service.

There are two ways to control who connects to this service. You can either grant access to everyone, except specific computers or subnets that you specify, or you can deny access to everyone, except specific computers or subnets that you specify.

Important: POP3 and IMAP both use and share the same Control Access settings.

ALLOW all computers to communicate with this server except. Select this option from the list box to grant access to specific computers or subnets. Click Add. A field with a cleared check box and an empty text box appears. Select the check box if you want to grant access to a single computer and enter its IP Address. If you want to grant access to a group of computers, select the check box and enter the IP address and Subnet Mask in the corresponding text boxes.
DENY all computers from communicating with this server except. Select this option from the list box to deny access to specific computers or subnets. Click Add. A field with a cleared check box and an empty text box appears. Select the check box if you want to deny access to a single computer and enter its IP Address in the corresponding text box. If you want to deny access to a group of computers, select the check box and enter the IP address and Subnet Mask in the corresponding text boxes.

Control Access List

IP Addresses. This column lists the IP Address(es) of all computers either allowed or denied POP3 access.
Subnet Mask. This column lists the Subnet Mask(s) of all computer groups either allowed or denied POP3 access.
Never Expires. When added manually, this checkbox is set by default. Otherwise the expiration is controlled by the Blacklist duration setting.
- Expires On. This expiration time is controlled by the Blacklist Duration setting fround on the POP3/IMAP Service page under Account Harvesting Prevention Options.
Comments. Free format notes, for the IMail Administrator.
Attempts. Displays the actual attempts made by the offending listed IP Address.

Note: Any entry added by the Account Harvesting setting will be denied access, regardless which radio setting is used (Deny All or Allow All) for the manual entries.

Add. Click this button to add computers or computer groups you want to be granted or denied access to the POP3 / IMAP service.
Edit. Click this button to update an existing entry.
Delete. Click this button to delete selected computers or computer groups from the Control Access list.

Save. Click to save your settings.