SpamCop FAQ : Trash : SpamCop Mail Service - No longer available : FAQ about the Personal Blocklist and Allowlist :
In order to pass all Yahoo Groups mail through to your inbox, add "returns.groups.yahoo.com" (without the quotes) to your allowlist.
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How do I allowlist yahoo groups?
Yahoo Groups mail should have a Return-Path header that looks like ...@returns.groups.yahoo.comIn order to pass all Yahoo Groups mail through to your inbox, add "returns.groups.yahoo.com" (without the quotes) to your allowlist.
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