no-top-post writes:
>I'm wondering if some of these many spam are 'self generated' ?
Look at the "Received:" lines, see where they came from.
>Here's a set of typical headers of spams that I get since I needed
>to use TxAuthenticate: ------
> Kristine Khan <(E-Mail Removed)> Go no sana
> "Inell Watson" <(E-Mail Removed)> Re: How is your day going
> "Bridgett Mcneill" <(E-Mail Removed)> Bridgett
> "Kurt" <(E-Mail Removed)> Re: Did u decide
> "Jaylin " <Growth_Fund_@gmail.com> re: nasdaq: PGGG - Long White Candlestick/
> Bullish Engulfing, ref. 3o18 2628
> "Heinz Twice" <(E-Mail Removed)> Replica Watches
> "Tod Palacios" <(E-Mail Removed)> Tod
>------ end of set of typical spams ---
>Q - is this the kind of spam that's going around these days ?
I see lots of spam that looks similar to this.
>Q - why does none of the email that I receive show
>TxAuthenticate in the headers ? My self sent stuff does.
I don't know what "TxAuthenticate" refers to.
A common practice:
Authentication is required for outgoing mail, but not for incoming
mail.
ISPs often use different servers for outgoing and incoming. In that
case, they would require authentication for the servers used for
outbound mail.
Even without separate, a mail server can be configured to accept
mail for its own users without requiring authentication, but to
require authentication for other mail.
The basic principle is that an ISP is responsible for its own users,
and needs to restrict outbound mail to that sent by its own users.
However, the ISP cannot authenticate the whole world, as people do
sometimes expect to receive mail from strangers.
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