'''Messages from Auto actions are not visible in Booking.com message centre'''
Ensure you do not have any special characters in the message text that could fail the Booking.com Security checks. (For example do not use @ in the message text).
'''Failed to post message: Message content failed to pass security filters'''
Ensure you do not have any special characters in the message text that could fail the Booking.com Security checks. (For example do not use @ in the message text).