Ex do erro: The IP you’re using to send mail is not authorized to
SMTP error from remote mail server after end of data:
550-5.7.1 [102.165.25.103] The IP you're using to send mail is not authorized to
550-5.7.1 send email directly to our servers. Please use the SMTP relay at your
550-5.7.1 service provider instead. Learn more at
550 5.7.1 https://support.google.com/mail/?p=NotAuthorizedError e35-20020a05687023a300b000deea6665cesi8395834oap.166 - gsmtpProblema relacionado a estar listado na SpamHaus, substitua pelo ip a ser verificado
Esta lista tambem bloqueia 90% dos web e-mail e microsoft.
https://www.spamhaus.org/query/ip/102.165.25.103O delist enviara um link para o e-mail utilizado no formulário
Após o delist leva de 2 a 24 horas para a normalização dos envios