Op 13-5-2020 om 20:10 schreef Peter Folta:
require “editheader”; if address :is "From” “special-sen...@example.com” { addheader “X-My-Custom-Header” “Header Value"; } I have enabled the editheader extension in my Dovecot configuration: plugin { … sieve_extensions = +editheader }
What version is this? Please provide output of `dovecot -n`. This smells a lot like an age-old bug that was fixed long ago. It works fine with master. Regards, Stephan.