Plesk mail server issue Client host rejected: Access denied

Job ID: 36075069

Budget: $10 – $30 USD

Hi,
I have been using plesk mail server for my laravel app since few months back and working fine to send mail thru the app , like mail notifications , user register etc. But since yasterday it not sending or recieving , like something is blocking it. I tried to send via Mail and i got this error : Client host rejected: Access denied

The mail settings and clouflare DNS are made correctly .

Do you have knowledge of this ? or maybe you know the issue!

Need help now .

Please dont send random messging
Related categories: PHP System Admin Linux Plesk