On 01/05/2016 01:29 AM, Tom van der Woerdt wrote:
communities on the internet. Other popular ports have been considered, such as 22 (SSH), 465 (SMTP), or 995 (POP3), but these are unlikely to be good candidates because of wide spread bruteforce attacks on these ports.
Just as a data point, I don't see much scanning/abuse regarding SMTPS (465) or IMAPS (993).