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gmail error

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no puedo enviar emails a gmail. dice: SMTP error from remote server for TEXT command, host: gmail-smtp-in.l.google.com (142.251.31.26) reason: This mail is unauthenticated, which poses a security risk to the sender and Gmail users, and has been blocked. The sender must authenticate with at least one of SPF or DKIM. For this message ,checks did not pass and SPF check for [cartoonclub.es] did not pass with ip: [212.227.126.134]

No entiendo... el problema es nuevo llevo años con la misma cuenta

no puedo enviar emails a gmail. dice: SMTP error from remote server for TEXT command, host: gmail-smtp-in.l.google.com (142.251.31.26) reason: This mail is unauthenticated, which poses a security risk to the sender and Gmail users, and has been blocked. The sender must authenticate with at least one of SPF or DKIM. For this message ,checks did not pass and SPF check for [cartoonclub.es] did not pass with ip: [212.227.126.134] No entiendo... el problema es nuevo llevo años con la misma cuenta

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Hola, Tienes una cuenta de gmail u otro servicio de correo? son los únicos destinatario (gmail) donde los correos enviados son bloqueados? El siguiente link de Google habla sobre este error: https://support.google.com/mail/answer/81126?sjid=10856473405046375404-SA Estos errores se deben corregir en la configuraciones del DNS Saludos