SMTP addresses in <>

Sean Donelan sean at donelan.com
Fri Jan 4 16:36:06 UTC 2008


On Fri, 4 Jan 2008, Donald Stahl wrote:
>> RFC 1122 (Requirements for Internet Hosts - Communication Layers)
>> section 1.2.2 (Robustness Principle):
>>
>>                "Be liberal in what you accept, and
>>                 conservative in what you send"
> Which has done nothing but allow countless Exchange server to HELO with 
> exchange.local and other such idiocy, not to mention contribute to the spam 
> problem.

Yep, which is why I suggest the modification:

    You may be liberal in what you accept, and you should always be
    conservative in what you send.




More information about the NANOG mailing list