Hi Len:

I am sorry but I am confused now based on your response.

- Our system sends a payment receipt to the donor.  We accept donations &
payments for charities, organizations, etc.
- The receipt is sent for the payment.  It is not spam or any unsolicited
email.  They pay they get a receipt.

Now the receipts are coming back to our accounting for confirmation before
they are delivered to the donor.

I don't understand your assertions... It is our nightmare .. We caused it?

We accept bounce messages.  That account is not inactive.. It actually
receives email but we ask emails to be sent to Support.  If someone replies
to the email it goes to support.  It is not bounced.

All I ask is if several hundred people's confirmation comes to our
accounting for confirmation of the confirmation email before it gets
delivered to the donor ... Would that not be a nightmare?

It is like a listserv where every member of the list asks a confirmation
every time someone posts to it.

Regards,
Kami

-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Len Conrad
Sent: Wednesday, May 28, 2003 9:24 AM
To: [EMAIL PROTECTED]
Subject: Re: [IMail Forum] Automatic Reply- confirmation



>Our online system for payment processing sends a confirmation email to
>people when they make a payment and now mail servers are starting to reply 
>to that address asking for confirmation.

The "sender address verification" technique is proving very effective in 
stopping a lot of abuse that escapes other restrictions.

Sender address verification has this requirement: "we will accept mail FROM 
your sender if your you accept our mail TO your sender".

>  We process a lot of payments on an hourly basis and if this new trend
> becomes adopted we are facing a nightmare.

It's your nightmare, you cause it, you stop it.  Not accepting bounces 
makes you look just like tons of spammers.  Look like a spammer, get 
rejected like a spammer.

>The account that is used for sending the confirmation receipt is not 
>used
>for anything else and people are not supposed (?) to send any emails to it.

RFC requires that an envelope sender accept bounce msgs to the envelope 
sender as recipient, so you are in violation of RFCs.

>It is recommended to our clients to whitelist that account

Your error is both getting your legit mail to your clients rejected and 
causing other mail admins the hassle of whitelisting your erroneous server.

>What this amounts to simply is the payment receipt is not delivered to 
>the
>person that has made the payment.

This "false problem" is so easy for you to fix, it's amazing you haven't 
done it already and are asking for "ideas" here.

Your error is causing problems for your clients who are hassling their mail 
admins.  Stop making your error and give everybody else a break.

More and more MXs will start implementing this technique (I've been 
installing for all my IMGate clients and will continue), you nightmare will 
become much worse.

Len

_____________________________________________________________________
http://MenAndMice.com/DNS-training: Denver; New York; Seattle
IMGate.MEIway.com: anti-spam gateway, effective on 1000's of sites, free


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