Edit mail sending headers

v3
#1

Where can i find and edit the script that controls the headers of the mail system setup on easyengine stack

#2

What do you want to achieve?

#3

My mails are failing to yahoo addresses because the subject field is passed twice. I want to remove one

#4

Any thoughts? @SaskiaLund

#5

Hm… Are you sending those Emails via SMTP? Via Roundcube GUI? Php mail function on your website?

#6

Via Roundcube GUI

#7

@SaskiaLund any ideas?

#8