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seeing following error message while trying to send email via postfix on Centos 7 while I can receive and download messages not seeing any errors

postfix/smtpd[24532]: connect from unknown[5.31.230.96]
postfix/smtpd[24532]: disconnect from unknown[5.31.230.96]

or

postfix/smtpd[24366]: connect from unknown[5.31.230.96]
postfix/smtpd[24366]: warning: Wrapper-mode request dropped from unknown[5.31.230.96] for service submission. TLS context initial...our logs.
postfix/smtpd[24366]: disconnect from unknown[5.31.230.96]
postfix/smtpd[24366]: connect from unknown[5.31.230.96]
postfix/smtpd[24366]: warning: Wrapper-mode request dropped from unknown[5.31.230.96] for service submission. TLS context initial...our logs.
postfix/smtpd[24366]: disconnect from unknown[5.31.230.96]
postfix/smtpd[24369]: connect from unknown[5.31.183.32]
postfix/smtpd[24369]: lost connection after EHLO from unknown[5.31.183.32]
postfix/smtpd[24369]: disconnect from unknown[5.31.183.32]

or

postfix/smtpd[24371]: connect from unknown[unknown]
postfix/smtpd[24371]: lost connection after CONNECT from unknown[unknown]
postfix/smtpd[24371]: disconnect from unknown[unknown]

postfix/dovecot configuration as per article https://www.rosehosting.com/blog/mailserver-with-virtual-users-and-domains-using-postfix-and-dovecot-on-a-centos-6-vps/

  • 1
    Are you sending via 465 or 587? – Jacob Evans Nov 7 '15 at 18:16
  • I am using port 587 – m1k3y02 Nov 7 '15 at 18:20
  • anyone, please ? – m1k3y02 Nov 8 '15 at 16:27
  • 1
    Postconf output? – Jacob Evans Nov 8 '15 at 17:07
  • postconf output under the following link pastebin.com/0aaaBst8 – m1k3y02 Nov 8 '15 at 17:18

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