Port 465, 587, 25 on my droplet is blocked, cannot send email to my custumer, please help me!
Hello, I have sent some ticket to DO in 3 days ago but no answer. Why blocked my port 465, 25, 587. I use droplet for more 1 year and send email normal but recently I cannot send email to my custumer. DO donot support for anything. Who know how unblock port to send email, please help me. Thanks!