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MX Server - a new business model - some one know how to do ?

Discussion in 'General Discussion' started by IRCBrasil, Jan 24, 2006.

  1. IRCBrasil

    IRCBrasil Well-Known Member

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    Hi, i will explain my troble, a custumer here in my country have a provider and he receives a lot of spams, and your inbound link is with 60% of traffic just for spam. He dont want control e-mails outsite your datacenter, so i need some solution as The Planet Spirus (but The Planet dont sell for domains outsite theplanet). Another solution would be the barracuda spam firewall, it is very good, but the price is to expansive for me. Could i configure some service as spirus or barracuda on a server, so the custumer just need modify your mx server for my server receive all your e-mail traffic and liberate just the clean e-mails ?

    Thanks.
     
  2. MattGetWeb

    MattGetWeb Well-Known Member

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  3. IRCBrasil

    IRCBrasil Well-Known Member

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    Yes, is this kind of service that i want offer to my custumer.

    thanks.
     
  4. chirpy

    chirpy Well-Known Member

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    Yes, you can. If you have a separate server just for their email you can have the MX record for the domain set to deliver to that server and then use a smart relay to forward cleaned (perhaps using MailScanner) email onto the cPanel server. If you also use cPanel on that other server, then you can use the following configuration to do that:
    http://forums.cpanel.net/showpost.php?p=162075&postcount=4
     
  5. IRCBrasil

    IRCBrasil Well-Known Member

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    WOW... Just it?

    Making it, my custumer must need change in your dns server your MX entry?

    Thank you!!!
     
  6. chirpy

    chirpy Well-Known Member

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    There are two provisos:

    1. Email sent locally on the cPanel server won't be scanned since it stays on the server (shouldn't be a problem)

    2. Some people will use the A record instead of the MX record to deliver email, bypassing the smart route - unfortunately, this is often spammers
     
  7. MattGetWeb

    MattGetWeb Well-Known Member

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    Sorry, I would have suggested the same thing (it's what I do with our mail), but I interpreted your initial post to include a desire not to bring the spams down your pipe to be filtered in the first place (ie save bandwidth). Hence the suggestion of an outsourced filtering service. :)
     
  8. budway

    budway Well-Known Member

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    Some (hardware) firewalls due this and a few come with a pretty good rules.
     
  9. IRCBrasil

    IRCBrasil Well-Known Member

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    yes... barracuda firewall is a great choise, but the price...


    Looking for at google, I found this site ( http://www.ochosting.com/members/spamfirewall.cfm ), US 10,00 per domain with unlimited e-mails, but i with a so low price i dont belive this can be a good service. Some one knows a good company that offer some service as this, that bill per domain and per number of e-mails?
     
  10. aegis

    aegis Well-Known Member

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    This is perhaps the same question but from a different angle.

    I've a few customers that have sites on other hosting companies that don't have anti-spam or virus checking on their mail service. However, they can't move their hosting just yet for whatever reason.

    Is there a way to offer a virus/spam checking mail service yet let them keep their hosting on another provider?

    I'd guess it's the same scenario,

    you get the user to point their MX record at my server, run it through clamav/spam assassin but then presumably I'd need to use an exim relay to get it back to there original server?

    Anyone care to write a HOWTO? Chirpy?
     
  11. chirpy

    chirpy Well-Known Member

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    It's simple enough, I outlined it in this post above.
     
  12. IRCBrasil

    IRCBrasil Well-Known Member

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    Another question,

    How could i bill this services? I am thinking to bill per bandwith.

    there are some way to log the bandwith consumed from each domain? Maybe urchin or webalizer?

    thanks
     
  13. chirpy

    chirpy Well-Known Member

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    Don't know of any analyser software (other than eximstats itself), but you can get the size, in bytes, of a message from the exim logs if you want to write your own script to process the logs:

    2006-02-10 09:10:35 1F7UIV-0004ga-Fq <= remote@address.com H=(address.com) [80.229.153.89] P=esmtps X=TLSv1:AES256-SHA:256 S=9147 id=E1F7TCD-0001MY-Sl@address.com
     
  14. IRCBrasil

    IRCBrasil Well-Known Member

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    relay error

    on my exim_mainlog I am receiving this error:

    Any ideia how to resolve this?

    Thanks
     
  15. IRCBrasil

    IRCBrasil Well-Known Member

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    now is ok.

    I had to create a file called /etc/secondarymx and put the domains to relay there.
     
  16. oderland

    oderland Well-Known Member
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    I still have this relay trouble even if we have the domain in /etc/secondarymx on the mailgw
    Any clue how to fix it?
     
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