>Looks like it was Magento, using Zend Framework 2/Laminas: >https://github.com/magento/magento2/issues/29258 >https://github.com/laminas/laminas-mail/issues/2 > >It looks like the problem has been fixed. We could teach mhfixmsg to >fix this, though I'm inclined not to do that unless this turns out to be >a more widespread problem.
It's up to you, David, but according to the first bug report it broke things for Thunderbird and Exchange/Outlook, so I think this is something that should be fixed rather quickly. --Ken
