Re: [spamdyke-users] How can I force users to USE the right SMTP server ?

[Sam Clippinger via spamdyke-users]

It sounds like "reject-sender" is the right option... if it's not working, I 
would look at qmail's configuration.  spamdyke uses qmail's rcpthosts and 
morercpthosts files to decide what addresses are "local" -- is there a separate 
copy of qmail for each server/jail with different configurations?

-- Sam Clippinger




On Oct 31, 2016, at 6:07 PM, Pablo Murillo via spamdyke-users 
 wrote:

> Hi
> 
> I will try to explain the subject
> We use Qmail, VpopMail and Spamdyke
> We have multiple servers with jails with multiple domains, we have smtp
> servers configured in all the jails, in all the servers
> Every jail has an smtp server running with auth over spamdyke, and today
> (after a lot of years) we find that everyone can send mail using the rights
> credential to any of our servers
> I know, they are using valid credentials, but if a password is hacked, the
> spamers can login in every server to send mail using this credential
> So, the questions is: How can I force the users to use ONLY his smtp to send
> mails ?
> 
> I think that " reject-sender =  not-local " will work, but, no, only work if
> the user don't authenticate
> 
> May be is a filter order ?
> I asked something similar to this and the solution was that I have to
> manually change the order in the source code
> 
> Is there other way ?
> May be, if the filter order can be altered without changing the source code
> ?
> 
> It´s a challenge ? :D
> 
> 
> Pablo Murillo
> 
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> spamdyke-users mailing list
> spamdyke-users@spamdyke.org
> http://www.spamdyke.org/mailman/listinfo/spamdyke-users

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[spamdyke-users] How can I force users to USE the right SMTP server ?

[Pablo Murillo via spamdyke-users]

Hi

I will try to explain the subject
We use Qmail, VpopMail and Spamdyke
We have multiple servers with jails with multiple domains, we have smtp
servers configured in all the jails, in all the servers
Every jail has an smtp server running with auth over spamdyke, and today
(after a lot of years) we find that everyone can send mail using the rights
credential to any of our servers
I know, they are using valid credentials, but if a password is hacked, the
spamers can login in every server to send mail using this credential
So, the questions is: How can I force the users to use ONLY his smtp to send
mails ?

I think that " reject-sender =  not-local " will work, but, no, only work if
the user don't authenticate

May be is a filter order ?
I asked something similar to this and the solution was that I have to
manually change the order in the source code

Is there other way ?
May be, if the filter order can be altered without changing the source code
?

It´s a challenge ? :D


Pablo Murillo

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