[RCU] How to avoid accessing mailboxes elsewhere

Mario Jorge Lima mariolima at multisites.com.br
Tue Feb 27 17:50:06 CET 2018


Hi,

This is an idea, but I don't know how to implement this.

Mario./




At 11:39 27/02/2018, you wrote:
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>On 27/02/2018 11:23, Mario Jorge Lima wrote:
>>Hello,
>>
>>I will explain what I need to know.
>>
>>I have 3 Servers:
>>
>>1) One of them is just a Domains Server.
>>
>>2) The other two are Mailboxes Servers. They have the email 
>>accounts for all the Domains from the first Server.
>>
>>All these mailboxes' POP and SMTP are accessed through the Server address:
>>
>>mail.domainnamea.com.
>>mail.domainnameb.com.
>>mail.domainnamec.com.
>>
>>and so on.
>>
>>If someone who accesses my Roundcube, fill the Server field with 
>>any other POP Server name elsewhere, he will read those emails. How 
>>to avoid it, so that only mailboxes in one of my two Mailboxes 
>>mentioned above can be accessed?
>Perhaps an outbound iptables firewall rule, so prevent the roundcube 
>server from accessing any POP3 / IMAP server other than your servers?
>
>>Thanks a lot.
>>
>>Mario./
>>___________________________
>>Mario Jorge Lima
>><mailto:mariolima at multisites.com.br>mariolima at multisites.com.br
>>OBS: Eventualmente nao acentuo algumas palavras do Portugues, para 
>>evitar bugs na recepcao dos emails.
>>
>>
>>
>>_______________________________________________
>>Roundcube Users mailing list
>><mailto:users at lists.roundcube.net>users at lists.roundcube.net
>>http://lists.roundcube.net/mailman/listinfo/users
>
>
>_______________________________________________
>Roundcube Users mailing list
>users at lists.roundcube.net
>http://lists.roundcube.net/mailman/listinfo/users

___________________________
Mario Jorge Lima
mariolima at multisites.com.br
OBS: Eventualmente nao acentuo algumas palavras do Portugues, para 
evitar bugs na recepcao dos emails.
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