Most days it works fine but then 1 out of 10 it won’t.
I have no idea what is going on as the email that sends the email is exactly the same every-time. Plus as I send around 4 automated emails using Postie a day I can end up with 3 emails going onto the site and 1 being blocked with an unauthorised message being sent to me. It always seems to be the same email which has lots of HTML in it (is there some sort of character length limit?)
I really don’t want to debug the code so I am wondering what could be causing this?