Thanks for the answers.
The Cronjob, manually launched works (and works on other servers)
I added a file
https://www.alternativegirlshardpics.com/lastcron.txt the timestamp of the last started. fwrite in cronojob.php.
Now I've added all the possible ways, to figure out if someone works, then if it works I'll see what it is
The mail I really would need, because I load data from RSS, XML, TXT files etc that are not mine and every day there is some new error to correct and fix.
Via Mail I also get the output of PHP errors.