Hi, after a discussion here on September 12th I added MessageLabs to trusted_networks. If I understood posts in the net correctly this might be the reason why whitelist_ does not work anymore.
Mar 13 14:44:04.119 [17641] dbg: spf: relayed through one or more trusted relays, cannot use header-based Envelope-From, skipping How can I whiltelist(_auth) senders now? Thanks, Helmut