Essa é a mensagem final, a hostgator disse que está resolvendo tem 2 meses.
eu gostaria de outras sugestões de empresas boas.
Diagnostic-Code: smtp; 550 5.7.1 Unfortunately, messages from [1xx.xxx.xxx.77]
weren't sent. Please contact your Internet service provider since part of
their network is on our block list (S3140). You can also refer your
provider to http://mail.live.com/mail/troubleshooting.aspx#errors.
[DM6NAM10FT063.eop-nam10.prod.protection.outlook.com]