Re: [exim] Blank From

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Author: Marc Haber
Date:  
To: exim-users
Subject: Re: [exim] Blank From
On Fri, 18 Mar 2005 08:50:03 +0000, Ian Eiloart <iane@???>
wrote:
>--On March 18, 2005 08:06:26 +0100 Marc Haber <mh+exim-users@???>
>wrote:
>> Third: I suspect that you want to reject messages with a <> envelope
>> sender, which is an extremely stupid idea. If you need to google for
>> the reasons, you shouldn't be running a public mail server.
>
>Well, it's a bad thing to do. It's not a stupid idea, it's an obvious idea
>when you're getting a lot of spam blowback.


And when you spend two seconds on google, you'll find out that it is a
stupid thing to do, and a lot of admins don't know the implications of
what they're doing.

>Remember, questions are the
>beginning of wisdom, Marc, and questions spring from ideas.


Yes, but that doesn't ease the requirement of doing basic research
before requesting people to invest time for answering questions.

>Implementing it without understanding the implications would be a stupid
>thing to do, though.


Which is what I meant.

>The implications:
>
> 1. your users can't get bounce messages when their email is
>misaddressed, or can't be delivered.
> 2. they can't get vacation messages warning that the recipient isn't
>available.
> 3. they can't send email to sites that check the validity of the sender
>address with verification callouts.


4. Will get the domain in question blacklisted in a minute.

Greetings
Marc

-- 
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Marc Haber         |   " Questions are the         | Mailadresse im Header
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