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Sendmail test 553 Sorry, Your domain must exist

  • 1.  Sendmail test 553 Sorry, Your domain must exist

    Posted Wed December 21, 2022 11:26 AM
    Set sendmail test
    The following message appears


    CEI1608E8S:root:/var/spool/mail 72=>echo "this is test mail"|sendmail -v shao_1234@webmail.xxx.tw
    WARNING: local host name (CEI1608E8S) is not qualified; see cf/README: WHO AM I?
    shao_1234@webmail.xxx.tw... Connecting to webmail.xxx.tw. via relay...
    220 webmail.xxx.tw ESMTP Service(webmail.xxx.tw) ready Tue, 13 Dec 2022 15:09:37 +0800 (CST)
    >>> EHLO CEI1608E8S
    250-webmail.xxx.tw
    250-PIPELINING
    250-8BITMIME
    250-AUTH=LOGIN
    250-AUTH LOGIN
    250 SIZE 14680064
    >>> MAIL From:<ceiper14@CEI1608E8S> SIZE=18
    553 Sorry, Your domain must exist.
    ceiper14... Connecting to local...
    ceiper14... Sent
    Closing connection to webmail.xxx.tw.
    >>> QUIT
    221 webmail.xxx.tw


    How to solve this situation
    thanks

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    子騫 李
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