Re: [exim] only relay mail for our domain in relay_from_host…

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Autor: B. Cook
Data:  
A: exim-users
Assumpte: Re: [exim] only relay mail for our domain in relay_from_hosts..
Yes if people were authenticating that would be great..

I found this to 'force' that..

accept authenticated = *
   control        = submission/domain=


back to my problem..

People sign into squirrelmail as username which can append @domain.org
silently..
imap and other smtp auth things.. need name@???..

I'm trying to help myself from squirrelmail abuse :/

domainlist sendfrom_domains = domain.org

acl_check_mail:
require domains = +sendfrom_domains
accept

temporarily rejected MAIL <name@???>: cannot test domains
condition in MAIL ACL



On 8/5/10 12:19 PM, Marcin Mirosław wrote:
> W dniu 2010-08-05 17:37, B. Cook pisze:
>> We had 2 accounts get compromised in the latest 'please reply with your
>> password ( ) ' scam..
>>
>> so what I am looking to do to prevent this from impacting us in the
>> future is..
>>
>> I would like exim to *only* send mail if it is from our domain..
>
> Hi!
> Maybe this acl would be usefull for you:
> acl_check_data:
>
> deny
>     authenticated   = *
>     condition = ${if or {{!eqi{$authenticated_id}{$sender_address}}\
>     {!eqi{$authenticated_id} {${address:$header_From:}} }}}
>     message         = You must send as the ID you authenticate with.

>
>
> Regards,
> Marcin
>