If the entry contains an @ sign (domain only or full email address), the domain portion of the from address will be matched exactly.
Almost.
For example, "@example.com" will be a partial match (which would catch "[EMAIL PROTECTED]", for example).
The only time an exact match will be required is if the line contains an "@" but does not start with an "@". So "[EMAIL PROTECTED]" requires an exact match, but "@example.com" or ".example.com" would not.
If the entry does NOT contain an @ sign, it will partial match anything in the from address (possibly even the mailbox name).
Correct.
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