Maybe I can help as I was having the same problem. As Takayuki mentions it is someplace further down the line the issue happens. For me it was that im hosted by one.com and they must have recently changed something so that you now HAVE to use an active email account on your account as the “sender” email, where it used to work with [email protected]. https://help.one.com/hc/en-us/articles/115005594345-Can-I-send-mails-from-my-website-
This reply was modified 6 years, 11 months ago by Larsss.