Hi Jérôme. Am Mittwoch, 3. Oktober 2007 schrieb Jérôme Blion: > >> So, a mail is going out... and comes back within a nice DSN :) As the > >> user used to sent the mail does not exist, it does a double bounce.
Why does the user not exist that sends the mail?
I assume that you run Apache with mod_php, if that's not true, there will be a
similar way for your setup.
Go to your client's VHost configuration and set this:
php_admin_value mail.force_extra_parameters "-f [EMAIL PROTECTED]"
where [EMAIL PROTECTED] is your client's e-mail-address.
So your client get's all the bounces and will be forced to do something
against the abuse of his board.
> >> Is there an easy way to discard all these mails automatically?
For sure, but you just shouldn't want to discard bounces silently.
> Mails are relayed from my box to my provider's one. Now, the request is
> closed on my side.
> My provider's server sends me a DSN...
You said your provider does not accept mail that cannot be delivered?
> My server can not deliver it.
That's an error in your setup. Just set working return path addresses.
> If it answers 550, we will run in an infinite loop. So, the double bounce
> message is mailed to postmaster (me)
No, it won't.
Two possibilities:
1. your provider does what you tell, it won't accept mail from you it it can't
be delivered. So your provider will never ever originate a DSN becaus either
the message can be delivered or it can't. Either your mail gets through or
it's stuck on your machine. Then your courier originates a DSN that cannot be
delivered and results in a doublebounce to postmaster.
2. Your provider accepts your bounce. A bounce does not hav a return path. So
if your provider is up to create a double bounce, it won't sent it back to
you but to their postmaster.
No loop here.
> Is there a way to keep the request opened on my side until the last SMTP
> provides an answer?
Don't know what you mean. A SMTP session is just to one host. It's your
provider's choice if there's a check for all recipients or just for the
first. I think if they make a check, they'll do it for all recipients.
cu, Bernd
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