You can add email addresses to the Approved and Blocked sender lists of the IMSS Spam detection settings using any of the following formats:
| Format | Description | Matched Examples |
|---|---|---|
| user@example.com | Matches the specified email address | user@example.com |
| *@example.com | Matches all email addresses in the specified domain | user1@example.com user2@example.com |
| user@*.com | Matches all email addresses with the specified user name and a .com top-level domain | user@example1.com user@example2.com |
| user@*.example.com | Matches all email addresses with the specified user name and any value before .example.com | user@x1.example.com user@x1.y2.example.com |
| user@* | Matches all email addresses with the specified user name in any domain | user@example1.co.uk user@example2.net |
| *@*.example.com | Matches all email addresses with any user name and any value before .example.com | user1@x1.example.com user2@x1.y2.example.com |
You cannot add email addresses using the following formats:
| Format | Description |
|---|---|
| * *@* | All user names in all domains |
| user@example.* | A wildcard in the top-level domain |
| *user@example.com | A wildcard in the part of user name |