Rated 4 out of 5 stars

To clarify, at least one way in which the headers are being mangled is: Message-ID keeps getting squashed to 'undefined' when it was defined prior to the change.

Léirmheas ar leagan níos sine den bhreiseán seo (2.1.0).  Rinne an t-úsáideoir seo léirmheas ar an mbreiseán seo cheana.