Manage Incoming Sender Allow list

Incoming mail received from senders listed in the Allow list will always be allowed, regardless of the message classification. In the Control panel, select Incoming – Protection Settings > Sender Allow list.

There are up to two tabs displayed:

• Sender Allow list – Domain -This tab allows you to manage the allowed sender list for mailboxes at specific domains. On this tab you can:
  • Add Allow list sender – Add a sender to the Allow list for a specific domain. See Add Allow list sender – Domain tab
  • Import senders from CSV – Import a list of senders to add to the Allow list for a specific domain via CSV file
  • Export senders as CSV – Export the list of senders to a CSV file
• Sender Allow list – Recommended/Inherited – This tab allows you to view any inherited allowed senders that have been applied by a higher level admin

Add Sender to Allow list

1. Click on Add Allow list sender to open the dialog:

2. In the Local-part field, specify the local-part of the recipient address at the domain or leave blank to apply to the whole domain

To apply the entry to [email protected], only enter user1 in the local part. To apply to all users at the domain, leave this box blank.

3. Choose which address you want to apply by selecting from the following Sender Flags:
   • Apply to Envelope Sender – The SMTP Envelope sender from address only
   • Apply to From: Address – The MIME message header from address only
   • Apply to both – both the SMTP Envelope sender from address and the MIME message header from address
4. In the Address field, enter the email address of the sender you want to allow

To add a whole domain to the sender Allow list, enter the domain in the format: domain-to-allowlist.invalid. There is no need to include a wildcard or the @ of the address.

5. Click on Save to add the sender