Aliyun email push not working

[itsbhanusharma (Bhanu Sharma)]

@AkarinLiu

Testing sending to akarinliu@outlook.com using smtpdm.aliyun.com:465, username:hi@notify.akarinliu.com with plain auth.
==================================== ERROR ====================================
UNKNOWN ERROR!
Net::ReadTimeout: Net::ReadTimeout with #<TCPSocket:(closed)>

Are you able to telnet into the smtp server?

telnet smtpadm.aliyun.com 465