I want to blacklist EVERYTHING incoming unless it is explicitly listed in the white list. How do I do that?
I've never seen * used anywhere as a wildcard. Could I put * in the black list?
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- Sat Nov 16, 2019 9:45 pm
- Forum: General
- Topic: Allow incoming/outgoing email to only specific whitelist of domains
- Replies: 2
- Views: 18969