Can not use HELO to send mail

Issue #85 invalid
Former user created an issue

Can not use HELO to send mail

Comments (5)

  1. Yang Zhenyi

    telnet localhost 25 Trying ::1... Connected to localhost. Escape character is '^]'. 220 localhost ESMTP helo localhost 250 mail.localhost Hi Unknown [172.17.0.1]; I am so happy to meet you. auto login 500 Unrecognized command

  2. Yang Zhenyi

    Could you give me a sample that how to use HELO to send a email? I have tried cmd which is valid in postfix but cannot be used in poste.io

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