[Postfix-es] Problema al intentar enviar correo a una cuenta de hotmail

[Arnau Bria]

On Tue, 29 Jan 2008 12:20:00 -0500
Javier Camilo Forero Rodríguez wrote:

> Hola a todos
Hola,
 
> Quisiera saber porque razon no puedo enviar correos a cuentas de
> hotmail, ese problema surge desde hace unos 15 dias, estuve buscando
> informacion y esto fue lo unico que encontre,,, agradeceria cualquier
> ayuda
> 
> v=spf1 a mx ~all
> v=spf1 a mx ip4:ip.de.tu.server ~all
> 
> cada registro de esos por dominio

que quieres decir? que te crearás un registro spf en tu dns? 
spf es una entrada txt en el DNS. es muy fácil de obtener y muy
sencilla de configurar.

(Aunque no tiene nada que ver con postfix, claro está!)

 
> Aparte de eso le anexo la respuesta de la gente de microsoft del
> porque esta pasando eso.

> We have identified that messages from your IP (ip) are being filtered
> based on the recommendations of the SmartScreen filter. SmartScreen is
> the spam filtering technology developed and operated by Microsoft.
> SmartScreen is built around the technology of machine learning.
> SmartScreen's filters are trained to recognize what is spam and what
> isn't spam. In short, we filter incoming emails that look like spam. I
> am not able to go into any specific details about what these filters
> specifically entail, as this would render them useless.
jojojojojo vamos, que tienen unos filtros puestos y que no saben como
van? y encima esos filtros te consideran spam así por que si?


> However, we also base our spam rating on the reputation of the sender.
> One way to positively impact the reputation of your IP is to obtain
> SPF/Sender ID records. This technology allows SmartScreen to better
> track emails from your IP, weeding out spoofed messages. You can find
> additional information on creating SPF records at
> http://www.microsoft.com/senderid
prueba a ver....  pero repito, yo tenía spf y con hotmail siempre he
tenido muchos problemas...

> Please confirm that your emails comply with MSN Hotmail's technical
> standards. This information can be found at:
> http://postmaster.live.com/Guidelines.aspx
se les podría pasar a ellos ciertas recomendaciones también...


> It will also be helpful to send example emails to
> randomtestacct en hotmail.com from your MTA so that we can examine the
> types of emails that you send. This will help me in our investigation.
> When you do this please send me the subject lines of emails you have
> sent. Please make sure that these emails are functionally similar to
> the types of emails that originate from your system, as any deviation
> from this may hinder our ability to investigate your problem. Do not
> use the word, "Test" or anything that would change the email from the
> original message that was initially sent to Hotmail Customers.

randomtestacct en hotmail.com > /dev/null ?¿?

> ° Hotmail has created the Smart Network Data Services program. This
> is a service that helps legitimate email senders work with their
> customers and partners to reduce spam originating from their IP.
> http://postmaster.msn.com/snds/. This program allows a sender to
> monitor the 'health' of their IPs.
que dice de la tuya? estás en un pool de IP's dinámicaS?


> ° I would also strongly recommend that you authenticate your outbound
> email via Sender ID and publish your SPF records for your outbound
> email IPs and register with Sender ID. You can find additional
> information at http://www.microsoft.com/senderID or you may email
> senderid en microsoft.com for support. Please note that technical
> standards (RFC 4408) discourage use of "ptr" for performance and
> reliability reasons.
no me creo que os de hotmail sepan que es un RFC!!!!


[....]

en fin... que algo más dirán, si...

salu2
-- 
Arnau Bria
http://blog.emergetux.net
Bombing for peace is like fucking for virginity