Hace unas semanas mi IP estática ha aparecido en una lista negra (SpamRats). Cuando intento quitar mi IP de dicha lista, me envian el siguiente mensaje diciendo que el DNS inverso está mal configurado: Greetings, You ONLY need to remove the IP Address from our list if you are running an outgoing mail server. (If you do NOT run an email server on this IP address, then being on this list should not affect you or your ability to send email through your email provider. If it does, please contact your ISP or email provider to correct. It can be a problem with the email server, or your email client may not be configured correctly). If you ARE running an email server, your PTR (reverse) DNS is the problem. 180.red-88-12-4.staticip.rima-tde.net This does not conform to 'Best Practices' recommendations for Network Operators, and Email administration and as such is much more likely to be an access point from which Trojans and Bots are being used to send Spam. You should first, of course, ensure that the problem that got your IP detected in the first place (i.e. infected PC's or a spam leakage) gets rectified. However, once this is done you should contact your upstream provider or change the PTR (reverse) DNS yourselves to something more suitable. According to 'Best Practices' guidelines (and I can give you several references if you like) the hostname of an IP Address used to send email should resolve to the responsible party's domain. In this case, the host name resolves to your upstream provider, who aren't responsible for the mail server at that location. Simply changing the reverse DNS to something like.. eg.. mail.your_domain.com -- or -- gateway.your_domain.com Once this is done, it would allow the IP Address to be removed, and also prevent the spread of Spam from trojans and bots. You may need to wait for the DNS change to propagate before removal. Thanks, and we hope this information helps. ¿Alguien podría asesorarme de cómo puedo corregir este problema de DNS inverso? Muchas gracias.
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