Account Email Validation Setting

 Zimbra uses email validation rules to verify that a message is from a valid email address.  For email received to the users who use the advanced Zimbra Web Client (ZWC), you can define additional email validation rules as global settings or as domain settings.

In the Regular expression for invalid email address field, enter a regular expression (regex) to filter out email addresses you consider invalid.

Examples regular expressions:*`

• test@\\d+.com identifies email addresses with a number in the domain name as invalid. That is, test@123.com or test@1.com are not valid addresses.
• mail@dontallow.com identifies email address that should not be used.

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