> On 24 Nov 2019, at 03:42, Gianni Angelozzi <gia...@sistema3.it> wrote:
>
> In my system I have 10 users. Each user has his own upstream account on the
> ISP.
If you mentioned that before, I missed it.
> When I authenticate the SMTP connection, my ISP will only allow that user to
> send the mail. Like, if I use user1 credentials as the default, then user2
> won't be able to send mails. They will bounce back.
In that case you do need smtp_sender_dependent_authentication (though I would
go with a different provider or not run my mail server on a home connection).
--
'It's vital to remember who you really are. It's very important. It
isn't a good idea to rely on other people or things to do it for you,
you see. They always get it wrong.' —Sourcery
