Re: [exim] Add a whitelist for senders to skip auth check

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Autor: Damon Hill
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A: exim-users
Assumpte: Re: [exim] Add a whitelist for senders to skip auth check
Thank you very much for your help.

This is not exactly what I was asking for but it solved my problem.

Best regards

Damon

El 8 de mayo de 2020 5:30:37 PM GMT-03:00, Sebastian Nielsen via Exim-users <exim-users@???> escribió:
>You could do it like this (in RCPT acl):
>
>accept
>    senders = sells@???
>    recipients = owner@???
>deny    message       = smtp auth requried
>            sender_domains = +local_domains
>            !authenticated = *

>
>-----Ursprungligt meddelande-----
>Från: Damon Hill via Exim-users <exim-users@???>
>Skickat: den 8 maj 2020 18:56
>Till: Sebastian Nielsen <sebastian@???>; exim-users@???
>Ämne: Re: [exim] Add a whitelist for senders to skip auth check
>
>You mean to allow eg. [1]web@??? to send unauthenticated mail
> from the web or [2]owner@??? to receive it?
>
> How can I convert that to exim config?
>
> On 8/5/20 10:35, Sebastian Nielsen via Exim-users wrote:
>
>One way you could do it, is to allow unauthenticated email but only to
>recipient [3]owner@??? which would make your server kind of
>"single-adress relay" which could be acceptable.
>And also check for senders, to avoid spam, then a spammer must spoof
>the
>sender adress AND also send to your approved recipient adress.
>
>-----Ursprungligt meddelande-----
>Från: Damon Hill via Exim-users [4]<exim-users@???>
>Skickat: den 8 maj 2020 14:13
>Till: Exim Mailing List [5]<exim-users@???>
>Ämne: [exim] Add a whitelist for senders to skip auth check
>
>Hello,
>
>I need to whitelist domains from a list (with wildcards) in Exim's ACL
>to avoid auth SMTP checking for domains hosted in this server.
>
>My server, say SERVER A, hosts e-mail for coolstore.com domain, but the
>web is hosted by SERVER B (which uses several servers for mailing). I
>need to exclude from Exim SMTP auth checking in Server A:
>smtp1.serverb.com, smtp2.serverb.com, [6]mailer@??? and
>*.serverb2.com.
>
>The problems is that when the web application (hosted by ServerB) tries
>to send an (unauthenticated) email from [7]sells@??? to
>[8]owner@??? it fails with message: '550 smtp auth requried
>(in
>reply to RCPT TO command)'
>
>I've got the ACL:
>
>    deny    message       = smtp auth requried
>            sender_domains = +local_domains
>            !authenticated = *

>
>but i cannot make it exclude these domains from the checking.
>
>I tried adding this to ACLs:
>
>    accept  condition     =
>${lookup{\$sender_address}nwildlsearch{/etc/exim/senders-whitelist.
>conf}{yes}}

>
>where /etc/exim/senders-whitelist.conf contains:
>
>    smtp1.serverb.com
>    smtp2.serverb.com
>    [9]mailer@???
>    *.serverb2.com

>
>But it didn't work. What am I doing wrong?
>
>Thank you in advance for your help!
>
>References
>
> 1. mailto:web@coolstore.com
> 2. mailto:owner@coolstore.com
> 3. mailto:owner@coolstore.com
> 4. mailto:exim-users@exim.org
> 5. mailto:exim-users@exim.org
> 6. mailto:mailer@serverb.com
> 7. mailto:sells@coolstore.com
> 8. mailto:owner@coolstore.com
> 9. mailto:mailer@serverb.com
>--
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>## Exim details at http://www.exim.org/
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