Sending Email with System that Has Antivirus Installed

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  • Chris K.
    #1

    Sending Email with System that Has Antivirus Installed

    Hello,



    I am writing an application that processes and sends electronic mail using
    Visual Basic that has no issues as is.



    However, when running concurrently with an antivirus package that is
    installed (such as Symantec Antivirus Corp. Client) any mail that the
    application sends the message is only delivered AFTER my application closes
    or if the antivirus software is disabled.



    Since my application will be deployed to a variety of system I do not want
    to require the client to disable the antivirus application just to use my
    application.



    I have tried to call a new thread to perform the process in the hopes that
    when the thread finishes the emails will be sent but this does not occur. Is
    there anything that I am missing? How is this accomplished normally?



    Regards,

    Christopher Koeber


    Tags: None
    • Henning Krause [MVP - Exchange]
      #2
      Re: Sending Email with System that Has Antivirus Installed

      Hello,

      your antivirus package may include a personal firewall which blocks outbound
      communications on port 25 (which is usually used for email communication).

      If this is the case, you need to reconfigure the firewall.

      Kind regards,
      Henning Krause

      "Chris K." <ckoeber[Do Not Spam]@googlesemailse rvice.figureito utwrote in
      message news:97FA3F54-55A3-4DC6-B093-807A4CADCF9C@mi crosoft.com...
      Hello,
      >
      >
      >
      I am writing an application that processes and sends electronic mail using
      Visual Basic that has no issues as is.
      >
      >
      >
      However, when running concurrently with an antivirus package that is
      installed (such as Symantec Antivirus Corp. Client) any mail that the
      application sends the message is only delivered AFTER my application
      closes or if the antivirus software is disabled.
      >
      >
      >
      Since my application will be deployed to a variety of system I do not want
      to require the client to disable the antivirus application just to use my
      application.
      >
      >
      >
      I have tried to call a new thread to perform the process in the hopes that
      when the thread finishes the emails will be sent but this does not occur.
      Is there anything that I am missing? How is this accomplished normally?
      >
      >
      >
      Regards,
      >
      Christopher Koeber
      >
      >

        Comment

        • Chris K.
          #3
          Re: Sending Email with System that Has Antivirus Installed

          Thanks for the reply. Does all applications that are developed with the .NET
          Framework require end-user's to reconfigure their firewall just to send
          email?

          It would seem absurb to me as many applications send electronic mail with
          Antivirus Software installed and no configuration is required - the mail is
          scanned and sent.

          Thank you for your time.

          Chris K.

          "Henning Krause [MVP - Exchange]" <newsgroups_rem ove@this.infini tec.de>
          wrote in message news:OR5llVjeIH A.5400@TK2MSFTN GP04.phx.gbl...
          Hello,
          >
          your antivirus package may include a personal firewall which blocks
          outbound communications on port 25 (which is usually used for email
          communication).
          >
          If this is the case, you need to reconfigure the firewall.
          >
          Kind regards,
          Henning Krause
          >
          "Chris K." <ckoeber[Do Not Spam]@googlesemailse rvice.figureito utwrote in
          message news:97FA3F54-55A3-4DC6-B093-807A4CADCF9C@mi crosoft.com...
          >Hello,
          >>
          >>
          >>
          >I am writing an application that processes and sends electronic mail
          >using Visual Basic that has no issues as is.
          >>
          >>
          >>
          >However, when running concurrently with an antivirus package that is
          >installed (such as Symantec Antivirus Corp. Client) any mail that the
          >application sends the message is only delivered AFTER my application
          >closes or if the antivirus software is disabled.
          >>
          >>
          >>
          >Since my application will be deployed to a variety of system I do not
          >want to require the client to disable the antivirus application just to
          >use my application.
          >>
          >>
          >>
          >I have tried to call a new thread to perform the process in the hopes
          >that when the thread finishes the emails will be sent but this does not
          >occur. Is there anything that I am missing? How is this accomplished
          >normally?
          >>
          >>
          >>
          >Regards,
          >>
          >Christopher Koeber
          >>
          >>
          >

            Comment

            • sloan
              #4
              Re: Sending Email with System that Has Antivirus Installed



              You can try this downloadable code:
              http://sholliday.space s.live.com/Blog/cns!A68482B9628 A842A!138.entry

              I have all the settings that are settable for different scenarios.

              But that's what firewalls do, they block ports.

              Then you program in "exceptions ".

              Do start / run
              firewall.cpl
              and you can look at the exceptions tab.

              Then, if you have your own 3rd party firewall..you have to program
              exceptions into that.






              "Chris K." <ckoeber[Do Not Spam]@googlesemailse rvice.figureito utwrote in
              message news:24E25C6D-8AF5-4905-8F95-70415B4161B5@mi crosoft.com...
              Thanks for the reply. Does all applications that are developed with the
              .NET Framework require end-user's to reconfigure their firewall just to
              send email?
              >
              It would seem absurb to me as many applications send electronic mail with
              Antivirus Software installed and no configuration is required - the mail
              is scanned and sent.
              >
              Thank you for your time.
              >
              Chris K.
              >
              "Henning Krause [MVP - Exchange]" <newsgroups_rem ove@this.infini tec.de>
              wrote in message news:OR5llVjeIH A.5400@TK2MSFTN GP04.phx.gbl...
              >Hello,
              >>
              >your antivirus package may include a personal firewall which blocks
              >outbound communications on port 25 (which is usually used for email
              >communication) .
              >>
              >If this is the case, you need to reconfigure the firewall.
              >>
              >Kind regards,
              >Henning Krause
              >>
              >"Chris K." <ckoeber[Do Not Spam]@googlesemailse rvice.figureito utwrote
              >in message news:97FA3F54-55A3-4DC6-B093-807A4CADCF9C@mi crosoft.com...
              >>Hello,
              >>>
              >>>
              >>>
              >>I am writing an application that processes and sends electronic mail
              >>using Visual Basic that has no issues as is.
              >>>
              >>>
              >>>
              >>However, when running concurrently with an antivirus package that is
              >>installed (such as Symantec Antivirus Corp. Client) any mail that the
              >>application sends the message is only delivered AFTER my application
              >>closes or if the antivirus software is disabled.
              >>>
              >>>
              >>>
              >>Since my application will be deployed to a variety of system I do not
              >>want to require the client to disable the antivirus application just to
              >>use my application.
              >>>
              >>>
              >>>
              >>I have tried to call a new thread to perform the process in the hopes
              >>that when the thread finishes the emails will be sent but this does not
              >>occur. Is there anything that I am missing? How is this accomplished
              >>normally?
              >>>
              >>>
              >>>
              >>Regards,
              >>>
              >>Christopher Koeber
              >>>
              >>>
              >>
              >

                Comment

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