mail.edu.com

[Kevin Darcy]

dhottinger at harrisonburg.k12.va.us wrote:
> Quoting Stephane Bortzmeyer <bortzmeyer at nic.fr>:
>
>   
>> On Thu, Oct 02, 2008 at 08:29:29AM -0400,
>>  dhottinger at harrisonburg.k12.va.us <dhottinger at harrisonburg.k12.va.us> wrote
>>  a message of 16 lines which said:
>>
>>     
>>> Im a little confused about this.  Is this normal behaviour or do I
>>> need to make a change in my dns configs?
>>>       
>> You made no mistake. The edu.com manager decided to have a MX going to
>> 127.0.0.1. This may be a configuration error, or a way to state they
>> do not want email or a trick against spammers.
>>
>> % dig +short A mail.edu.com
>> 127.0.0.1
>>
>>     
>
> So how do I deal with mail going to mail.edu.com?  Im quite certain  
> that someone here (since we are a k-12) likely sent an email to  
> mail.edu.com.
>
>   
This is off-topic for a DNS/BIND list, but just about every MTA these 
days has a blacklist capability (look under "anti-spam measures"). You 
should even be able to customize the error message.

                                                                         
                        - Kevin