403 Error Access Denied

nhutchuai

nhutchuai

New Member
Dear, please help
1.I've 15 customers and when they using , the mailwizz , it's not working, Error 403

2. And when we Validate this server is error
Expected response code 220 but got code "550", with message "550 Connection from 103.27.63.79 refused " Log data: ++ Starting Swift_SmtpTransport << 550 Connection from 103.27.63.79 refused !! Expected response code 220 but got code "550", with message "550 Connection from 103.27.63.79 refused "

 
Your SMTP server is likely to be behind a firewall which is refusing connections. You either need to create a firewall rule which allows access from your MW IP address or ask your hosting provider to do it.
 
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