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Intelligent ambiguity check for multiple project references
Separate configuration option for non project / non space related emails (other)
Outgoing emails can be additionally encrypted for sender address
S/MIME: include intermediate certificates if available
S/MIME: support of PKCS#7 format server user key bundle
S/MIME: extract message text for opaque signed message independent from signature handling (applies to Jira inbound processing only)
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