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  1. M

    Sending mail via GMX not possible

    :thanks: That's what I said, the other address (same settings) worked. But only after trying a few times... I for sure understood what the SMTP server said. What he says is however bullshit since I have sent away several thousands of mails via exactly the ever same settings. Otherwise, tell me...
  2. M

    Sending mail via GMX not possible

    I have been using GMX together with my e-mail-client (the good old Eudora) for sending mails for years without much trouble. However, for three days now, I can't send out mails, the SMTP server sends back this message: "550.5.7.0 Need to authenticate via POP3 first {mp029}" Another GMX...
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