I cannot post this email which is a totally normal email message to ome person with no links about five lines long. If I do I get this
I tried this yesterday and I tried it today. If I change the subject line from "Lesson" to "L" it goes.
What is happeng to the BT mailservers?
The message is
I'm afraid I have to pick up a student at 4 o'clock on Friday, so I don't think I will be back in time for your lesson, so, I'm going to have to cancel it.
Sorry about that, so, see you next week,