Ojs 2.x unable to send out mails

Hi i am getting issue with ojs 2.x sending out mail.

we recently migrated from old server debian 8.x to debian 9.x with plesk and getting below issue.

[Wed Dec 05 06:53:17.482519 2018] [cgi:error] [pid 1876] [client] AH01215: OJS SMTPMailer: Did not receive expected 220: /var/www/cgi-bin/cgi_wrapper/cgi_wrapper, referer: http://aro.koyauniversity.org/login/lostPassword

Please reply if anyone can help in this :slight_smile:

Cross linking for reference: