It looks like it is currently not possible to set the priority / importance of an outgoing email. This could be useful to e.g further highlight emails generated by certain log entry categories. I couldn't find dedicated support for this header in the used ruby gem, so this would need to be implemented using a custom header (``X-Priority`). It might be reasonable to leave this up to the user (especially as this header is only partially standardized) and just allow passing any kind of headers to the gem.
It looks like it is currently not possible to set the priority / importance of an outgoing email. This could be useful to e.g further highlight emails generated by certain log entry categories. I couldn't find dedicated support for this header in the used ruby gem, so this would need to be implemented using a custom header (``X-Priority`). It might be reasonable to leave this up to the user (especially as this header is only partially standardized) and just allow passing any kind of headers to the gem.