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EHS6 3G Module SMTP ERROR HELO does conform to RFC syntax | Telit Cinterion IoT Developer Community

March 24, 2022 - 8:41am, 501 views

Hi, we  get complains from our clients due to the following errors. Which makes the service unavaible for our customers !!!!! (More and more SMTP servers don't work anymore)

Is there as plan to fixe that ! ?

t-online.de                         => doesn't work

smtps://securesmtp.t-online.de:465                      => (SMTP-ERR: 501 Parameter to HELO does not conform to RFC syntax.)

smtps://securesmtp.t-online.de:587                      => Fatal: Service has detected an internal error