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Estimados: Buen día! Hace dos días en los cuales no he podido enviar emails desde Thunderbird, el cual me informa del siguiente error: "Falló el envío del mensaje. Ocurrió un error mientras se enviaba el correo. El servidor de correo respondió: <xxxx@xxxxx.com> BODY=8BITMIME: malformed address: BODY=8BITMIME may not follow <xxxx@xxxxx.com> . Verifique que su dirección de correo electrónico es correcta en las preferencias de su cuenta y vuelva a intentarlo."

Al principio desconfié del ISP, al cual le reclamé el inconveniente. Me dieron un par de soluciones (reconfigurar el cliente, borrar cache, cambiar parámetros de configuración, etc..), las cuales ninguna funcionó. Finalmente, opté con probar con otro cliente de correo (Outlo...), el cual configuré con los mismos datos y credenciales que el Thunderbird. Para mi sorpresa, funcionó correctamente!

Por lo tanto, el problema parece ser algo de Thunderbird, posiblemente después de la ultima actualización.

Me pueden ayudar con ésto?

Hello,

I have read many times the entry in https://support.mozilla.org/en-US/kb/canary-domain-use-application-dnsnet and I as well have browsed different forums regarding the topic.

I understand by the documentation that Firefox might use the canary domain use-application-dns.net and we, as a company can signal Firefox if our network is suitable or not for DoH traffic (and thus, establishing ECH).

So we are about to prepare our network for this specific DNS response, but after days of testing, I have not seen a single time any request towards the aforesaid domain.

In the forums I have browsed, I see comments of people reporting this domain appearing in their networks, but these comments are somehow old (2023). My question is simple: is Firefox still using the canary domain use-application-dns.net? if not, are there any plans to reactivate it? if yes, why I don't see a single request towards it? (firefox is set up by default, with no manually setting, as per the documentation the canary domain will only be targeted if there is no manual DoH set up).

Thank you,

Elena

I wanted to make a donation for thunderbird . At the last stage paying with Paypal I was asked for my address . I did not want to complete this private data so the donation could not complete as if you don't put the address the donation cannot complete.

If ever the donation is possible without introducing private data, I might try again in the future. For now, no donations from me.