>On Saturday, June 9, 2018, 8:03:31 AM GMT+2, Rupert Gallagher <r...@protonmail.com> wrote: >On Fri, Jun 8, 2018 at 23:05, David Jones <djo...@ena.com> wrote: > 2.2 MISSING_HEADERS Missing To: header >The fillowing is all one needs. >5.0 MISSING_HEADERS Missing To: header >Remember that e-mail is mail after all.
The To: header may not exist in Outlook if all recipients where in BCC and the original To: is company internal... ----Pedro