Zakaria.
> On 7 Mar 2022, at 17:55, Slavko via Exim-users <exim-users@???> wrote:
>
> Ahoj,
>
> Dňa Mon, 7 Mar 2022 17:15:55 +0000 Zakaria via Exim-users
> <exim-users@???> napísal:
>
>> I received an Email from Vodafone, with following relevant headers:-
>>
>> From: <noreply@???>
>> Reply-To: Vodafone
>
> IMO, you have three options:
>
> 1. leave responsibility to sender side (thus ignore it)
> 2. remove (deny on) header syntax check (change it to defer, etc)
> 3. add some whitelist, based on sender (domain), or IP, etc to skip
> this deny in some cases
>
> While i didn't meet this (except obvious SPAM) for long time, my
> opinion can be not appropriate, but i will choose the first option.
> Especially when from is noreply, thus they are not interested to be
> informed by other way than SMTP reject message.
>
> regards
>
> --
> Slavko
> https://www.slavino.sk > --
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