What port does email send on?

Discussion in 'ASP .Net Security' started by Greg Smith, Mar 11, 2005.

  1. Greg Smith

    Greg Smith Guest

    I have been using web.mail to send messages behind the scenes (actually in
    my Windows based apps). Since people have been adding various security and
    firewall tools some of them have blocked the background email traffic.

    What port is used for sending the email?

    Is there anything in particular I should look for on a persons machine as a
    potential cause of the problem?



    Any help is greatly appreciated.
     
    Greg Smith, Mar 11, 2005
    #1
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  2. Well, I hate to say it but a quick google search would answer this for you.
    I believe SMTP default port is 25 though.

    --

    - Paul Glavich
    ASP.NET MVP
    ASPInsider (www.aspinsiders.com)


    "Greg Smith" <> wrote in message
    news:d0sinv$ja5$...
    > I have been using web.mail to send messages behind the scenes (actually in
    > my Windows based apps). Since people have been adding various security

    and
    > firewall tools some of them have blocked the background email traffic.
    >
    > What port is used for sending the email?
    >
    > Is there anything in particular I should look for on a persons machine as

    a
    > potential cause of the problem?
    >
    >
    >
    > Any help is greatly appreciated.
    >
    >
     
    Paul Glavich [MVP ASP.NET], Mar 13, 2005
    #2
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