On 2021-12-23 at 21:02 -0700, Dave Warren via mailop wrote:
> Even just verifying a phone number adds a real world cost to
> switching identities which makes blocking far more effective.
There is certainly a cost for casual users wishing to switch
identities. Both for wannabe trolls & spammers and
On Mon, 27 Dec 2021 02:44:35 +0100, Ángel via mailop
wrote:
>I wonder however if that's still the case for "professional" spammers,
>as I expect they would be able to buy phone numbers more easily and
>cheap than common users.
What is this 'buy' of which you speak? Phone numbers are composed o
It appears that Michael Rathbun via mailop said:
>On Mon, 27 Dec 2021 02:44:35 +0100, Ángel via mailop
>wrote:
>
>>I wonder however if that's still the case for "professional" spammers,
>>as I expect they would be able to buy phone numbers more easily and
>>cheap than common users.
>
>What is thi
On 2021-12-26 19:23, Michael Rathbun via mailop wrote:
On Mon, 27 Dec 2021 02:44:35 +0100, Ángel via mailop
wrote:
I wonder however if that's still the case for "professional" spammers,
as I expect they would be able to buy phone numbers more easily and
cheap than common users.
What is this
On 2021-12-26 18:44, Ángel via mailop wrote:
On 2021-12-23 at 21:02 -0700, Dave Warren via mailop wrote:
Even just verifying a phone number adds a real world cost to
switching identities which makes blocking far more effective.
There is certainly a cost for casual users wishing to switch
ident
On 26 Dec 2021 21:39:36 -0500, "John Levine" wrote:
>Last time I checked Gmail sends you an SMS with a code you need to provide to
>register a new account.
Ah, that. Obtaining a phone is not difficult nor will the expense exceed zero
in a number of cases (such as my wife's recent adventure with
On Sun, 26 Dec 2021 21:31:02 -0700, Dave Warren via mailop
wrote:
>Many/most centralized communication systems require phone number
>verification/validation (SMS or voice, typically) to activate a new
>account. Even when multiple accounts can be activated using a single
>phone number they can
