Bugfix invalid DKIM-signature with zero To-addresses #2754
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When using PHP's mail() function, and when there are no To-addressees (e.g. only BCC), then the DKIM-signature was not correct. There was a discrepancy between how mail() was called (empty $to) versus the DKIM-signature ('undisclosed-recipients:;').
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Resolves issue #2753
When using PHP's
mail()function, and when there are no To-addressees (e.g. only BCC), then the DKIM-signature was not correct. There was a discrepancy between howmail()was called (empty$to) versus the DKIM-signature ('undisclosed-recipients:;').