Filtering Outgoing Mails

Discussion in 'Mail Gateway: Installation and configuration' started by dietmar, Nov 29, 2005.

  1. dietmar

    dietmar Proxmox Staff Member
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    Many mail filter solutions do not scan outgoing mails. Opposed to that Proxmox Mail Gateway is designed to scan both incoming and outgoing mails. This has two major advantages:

    1. Proxmox is able to detect viruses sent from an internal host. I many countries you are liable for not sending viruses to other people. Proxmox outgoing mail scanning feature is an additional protection to avoid that.

    2. Proxmox can gather statistics about outgoing mails too. Statistics about incoming mails looks nice, but they are quite useless. Consider two users, user-1 receives 10 mails from news portals and wrote 1 mail to a person you never heard from. While user-2 receiver 5 mails from a customer and sent 5 mails back. Which user do you consider more active? I am sure its user-2, because he communicates with your customers. Proxmox advanced address statistics can show you this important information. Solution which does not scan outgoing mail can’t do that.

    To enable outgoing mail filtering you just need to send all outgoing mails through your proxmox mail gateway (usually by specifying proxmox as smarthost on your mail server). See the admin guide for more details.

    - Dietmar
     
    chrone likes this.
  2. Cepelin

    Cepelin New Member

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  3. charlotte

    charlotte New Member

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    would it matter if I don't have it installed in my PC..would it make a difference?
     
  4. dietmar

    dietmar Proxmox Staff Member
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    Sorry, but I do not understand your question?
     
  5. Gotenks

    Gotenks New Member

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    Good info! I have Exchange 2010 and setup the Send connector to only use proxmox on the hub server using port 26. Mail is sending.
    How can I check/verify sent spam is filtered? Would it say on the free edition? Perhaps I should use a trial license but if you could tell me please.
     
  6. dietmar

    dietmar Proxmox Staff Member
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    Send a test mail. Or us the tracking center to see what happens. Or define a rule to send notifications.
     
  7. chmaeuer

    chmaeuer New Member

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    How do I relay outgoing mails from my PMG instance e.g. via Amazon SES? They require a Username & Password login on their SMTP server.
     
  8. Paul Hill

    Paul Hill New Member

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    Hi There
    We have a work network that runs a mail server that hosts several domains for our clients . Rather than mess with a full email web hosting server how can we filter incoming and outgoing , I have external smtp port 26 and internal 25 and it send to our mail transport on 192.168.1.85 , how do we route outgoing mail through 192.168.1.50 which is the proxmox mail filter on our network ?

    We used to use untangle before on a machine with 2 nics , 1 was in from our isp , one was out to our internal router and it worked in bridge mode , I'm trying to replicate the same setup using proxmox but I'm having difficulty trying to wrap my head around the way it works .

    thanks
     
  9. DerDanilo

    DerDanilo Member

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    Smarthost config with authentication can be done via cli. There are many manuals out there how to do it with postfix.
     
  10. gotech

    gotech New Member

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    There is some way to explain this for example

    Is it possible to use it in cpanel?

    what would be the configuration as smart host

    zimbra?
     
  11. DerDanilo

    DerDanilo Member

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    Please contact the support off 3rd-party vendors for questions regarding their product. I am sure that it works somehow but it might not work the gui way.
     
  12. Briandeitwiz

    Briandeitwiz New Member

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    Hi Guys,

    Is it possible to use proxmox just to filter incoming mails and not use it for outgoing if yes how is this done. I am on version 5.0.

    Please advise.
     
  13. DerDanilo

    DerDanilo Member

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    Of course. Why should this not be possible?

    Advise: read the manual ;-)
     
  14. janos

    janos Member

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    hello,

    Is the user receive back some notification when they email not sent out?
     
  15. Briandeitwiz

    Briandeitwiz New Member

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    no they do not, but i can see them with a rejected status from proxmox queue
     
  16. janos

    janos Member

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    Yes, that part was clear, admin can review these information.
     
  17. berlulli

    berlulli New Member

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    Hi,
    I'm trying to configure a filter for outgoing mail. I've created a Match field type "What Object" named Tagged spam where the field is "__SUBJECT__" and the value is a particular tag (eg [* SPAM *]). Then I've created a nuw rule in Mail filter with Action: Notify Admin and object "Tagged spam", direction Out. in short, everything seems correct but it does not work.
    Other outgoing rules are working fine, so I can not figure out what's going wrong...maybe the macro in Match filed type? (the regex is ok)

    Rob
     
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