El Contact Form de mi web estática dejó de funcionar

Hola, no sé si alguien ha encontrado la solución a este problema. Tengo un droplet con algunas webs y dominios alojados y cada web tiene un formulario de contacto, pero por alguna razón estos ya no envían los mensajes a mi correo. Tengo instalado postfix en mi droplet, incluso generé alias con uno de mis dominios para tener cuentas de correo corporativo. Pero ahora los mensajes no llegan a mi bandeja, ni siquiera a spam. En la carpeta de mail de mi droplet recibo el siguiente mensaje:

–DB55CBD8DF.1622044380/TuHost Content-Description: Notification Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit

This is the mail system at host paltahost.

I’m sorry to have to inform you that your message could not be delivered to one or more recipients. It’s attached below.

For further assistance, please send mail to postmaster.

If you do so, please include this problem report. You can delete your own text from the attached returned message.

               The mail system unknown user: “contacto”

–DB55CBD8DF.1622044380/TuHost Content-Description: Delivery report Content-Type: message/delivery-status

Reporting-MTA: dns; TuHost X-Postfix-Queue-ID: DB55CBD8DF X-Postfix-Sender: rfc822; Arrival-Date: Wed, 26 May 2021 15:53:00 +0000 (UTC)

Final-Recipient: rfc822; Original-Recipient: rfc822; Action: failed Status: 5.1.1 Diagnostic-Code: X-Postfix; unknown user: “contacto”

–DB55CBD8DF.1622044380/TuHost Content-Description: Undelivered Message Content-Type: message/rfc822 Content-Transfer-Encoding: 8bit

Return-Path: Received: by TuHost (Postfix, from userid 33) id DB55CBD8DF; Wed, 26 May 2021 15:53:00 +0000 (UTC) To: Subject: Contacto Message-Id: 20210526155300.DB55CBD8DF@TuHost Date: Wed, 26 May 2021 15:53:00 +0000 (UTC) From: www-data

Nombre: 26 Mayo Correo: Teléfono: 849519846 Ecosistema Digital: Servicio Solicitado: Social Ads Mensaje: Lorem Ipsum is simply dummy text of the printing and typesetting industry.


Muchas gracias de antemano.

PD: Ya retiré mi ip de la blacklist de Spamhaus.

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Hi @aureliodc89,

So, you mentioned using a contact form on your Website, can you please let me know how did you configure it, what are the SMTP settings? Are you using port 25 or port 465?

Be aware that it’s possible PORT 25 to be closed by DigitalOcean and that to be the cause of the issues.

Having said that, let’s start with your SMTP credentials, make sure you have configured them properly. You can share them with me to see how they are looking.

Regards, KFSys