Suggest an alternative to

email-header

A Haskell library for parsing and rendering email and MIME headers

Why do you think that https://github.com/np/mbox-tools is a good alternative to email-header

A URL to the alternative repo (e.g. GitHub, GitLab)

Here you can share your experience with the project you are suggesting or its comparison with email-header. Optional.

A valid email to send you a verification link when necessary or log in.