If you want to fix up messages with blank Message-ID: fields you can add
something like the following to your LMTP transport:
headers_remove = ${if match{$h_Message-ID:}{\N^\s*$\N} \
{Message-ID} {} }
Tony.
--
<[EMAIL PROTECTED]> <[EMAIL PROTECTED]> http://dotat.at/ ${sg{\N${sg{\
N\}{([^N]*)(.)(.)(.*)}{\$1\$3\$2\$1\$3\n\$2\$3\$4\$3\n\$3\$2\$4}}\
\N}{([^N]*)(.)(.)(.*)}{\$1\$3\$2\$1\$3\n\$2\$3\$4\$3\n\$3\$2\$4}}
--
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