Version 3.31
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1. An address longer than 256 bytes could cause Exim to crash. Change 38 for
3.30 limits local addresses to 512 bytes (the RFC limit is 64bytes@255bytes and
SMTP addresses have always been limited), so the relevant vector has been
increased to 512 bytes.

2. The return_path generic transport option was being ignored for MAIL FROM
lines in BSMTP output in the appendfile and pipe transports.

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