ISP port blocking practice

JC Dill 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.

jc





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