Thanks for quick response.
I have now disabled:
“Expand code beyond page borders on mouseover” and
“Enable code expanding toggling when possible”.
This, made the code frame stay where it should.
Let me know when you have a fix for the problem.
It seems to work now, after a restart.
Sorry to have raised a false concern.
According to the first QA in the FAQ at http://wp-ses.com/faq.html, it intercepts wp_mail(). So, your plugin *should* work with WP-SES.
However, my Apache error.log shows that it tries to locate /usr/sbin/sendmail.
Here are the relevant links:
Question: How is the email delivery implemented in your plugin, currently?