AOL block email - how to configure iis SMTP to solve this? - Inetserver

This is a discussion on AOL block email - how to configure iis SMTP to solve this? - Inetserver ; Hello all, Just wanted to get some ideas from you all about a problem we are experiencing. We send all of our mail from one of our IIS SMTP servers running off our internal office network on a ADSL connection ...

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AOL block email - how to configure iis SMTP to solve this?

  1. Default AOL block email - how to configure iis SMTP to solve this?

    Hello all,

    Just wanted to get some ideas from you all about a problem we are
    experiencing.

    We send all of our mail from one of our IIS SMTP servers running off
    our internal office network on a ADSL connection with a staic ip. When
    mail is sent to AOL it delays the messages, then eventually blocks them
    a few days later.

    I am guessing this is due to their spam policy and a reverse DNS query
    they carry out. In the mail header it says the message is coming from
    ourserver.localdomain and therefore the reverse DNS lookup fails.

    Someone suggested using a smart host to get around this problem. Does
    anyone have any suggestions on how to do this or how I may be able to
    use my ISP's mail servers to get around this blocking issue from AOL?

    Thanks


  2. Default RE: AOL block email - how to configure iis SMTP to solve this?

    Hi, In the properties of the smtp virtual server, tab delivery, advanced, you
    can fill a fully qualified domain name (fqdn). That is the name that comes in
    the outgoing mail headers. If you change that with a fqdn that has also a
    working reverse dns entry, it should work.
    Or you can use the mail server of your isp to forward your mails. Ask your
    isp if they support that and what is the ip address or host name of their
    mail server (or just do it and see if it works). In the properties of the
    smtp virtual server, tab delivery, advanced, you can fill a smart host for
    outbound connections. In this tab If you put there the ip address of your's
    isp mail server it must be between square brackets, ex. [1.1.1.1].
    The maximum mail size limits of your isp could be a problem when your
    company sends large e-mail.
    Andrea



    "foxj77@gmail.com" wrote:

    > Hello all,
    >
    > Just wanted to get some ideas from you all about a problem we are
    > experiencing.
    >
    > We send all of our mail from one of our IIS SMTP servers running off
    > our internal office network on a ADSL connection with a staic ip. When
    > mail is sent to AOL it delays the messages, then eventually blocks them
    > a few days later.
    >
    > I am guessing this is due to their spam policy and a reverse DNS query
    > they carry out. In the mail header it says the message is coming from
    > ourserver.localdomain and therefore the reverse DNS lookup fails.
    >
    > Someone suggested using a smart host to get around this problem. Does
    > anyone have any suggestions on how to do this or how I may be able to
    > use my ISP's mail servers to get around this blocking issue from AOL?
    >
    > Thanks
    >
    >


  3. Default Re: AOL block email - how to configure iis SMTP to solve this?

    On 11 Jan 2006 04:30:05 -0800, foxj77@gmail.com wrote:

    >Hello all,
    >
    >Just wanted to get some ideas from you all about a problem we are
    >experiencing.
    >
    >We send all of our mail from one of our IIS SMTP servers running off
    >our internal office network on a ADSL connection with a staic ip. When
    >mail is sent to AOL it delays the messages, then eventually blocks them
    >a few days later.
    >
    >I am guessing this is due to their spam policy and a reverse DNS query
    >they carry out. In the mail header it says the message is coming from
    >ourserver.localdomain and therefore the reverse DNS lookup fails.
    >
    >Someone suggested using a smart host to get around this problem. Does
    >anyone have any suggestions on how to do this or how I may be able to
    >use my ISP's mail servers to get around this blocking issue from AOL?


    Ask your ISP if you can use them as a smarthost. Look at the NDR
    messages and the SMTP logs to see what AOL is doing.

    Jeff

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