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Big problem with mails

Discussion in 'E-mail Discussions' started by Seven77, Jun 24, 2002.

  1. Seven77

    Seven77 Active Member

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    Any help for this:

    Today all of our clients (almost) called and told us that they can't send mails out.

    The get following message:

    Host xxx.xxx.xxx.xxx is not permitted to relay through server.xxxxxx.xxx.
    Perhahps you have not logged into the pop/imap server the last 30 minutes.
    You may also have been rejected because your ip addr.


    We did not change anything - we only made the recommended security update.

    Any help would be great!
    Thanks!!

    Seven
     
    #1 Seven77, Jun 24, 2002
  2. SHSaeed

    SHSaeed Well-Known Member

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    I'm guessing this is when they try to use your server as SMTP server for outgoing mail. Tell your clients to set their email clients to use &POP Before SMTP& authentication. It's a security feature to stop people that do not have an email account from using your server to send out email (mainly SPAM).
     
    #2 SHSaeed, Jun 24, 2002
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