We are already liberal regarding a missing MIME version header, but not
for versions other than 1.0. However, there are no other MIME
versions, and it is somewhat unlikely that there ever will[1]. Thus,
we treat an unknown MIME version like we treat a missing MIME version,
i.e. we assume 1.0.
We are already liberal regarding a missing MIME version header, but not for versions other than 1.0. However, there are no other MIME versions, and it is somewhat unlikely that there ever will[1]. Thus, we treat an unknown MIME version like we treat a missing MIME version, i.e. we assume 1.0.
[1] https://wellecks.wordpress.com/tag/mime-version/