ISP port blocking practice
jcdill.lists at gmail.com
Fri Sep 3 09:38:31 CDT 2010
Patrick W. Gilmore wrote:
> On Sep 3, 2010, at 8:22 AM, Owen DeLong wrote:
>> On Sep 2, 2010, at 10:41 PM, Franck Martin wrote:
>>> Have you heard of the submission port?
>> Yes... Many of the idiots that block outbound 25 also block outbound 587 and sometimes 465.
> Could you point to more than one instance? I've not yet found one. And I think I spend at least as much time in hotels & 3G & airports & etc. as you anyone else here.
FWIW, I had it happen at a local library. Used their webform to send a
message mentioning that blocking 25 was good, but blocking 587 and 465
was bad. It took several days but they did fix it.
More information about the NANOG