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</o:shapelayout></xml><![endif]--></head><body lang=DE link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal><span lang=EN-GB>Hello all,<br><br>How do I configure Claws (under Windows 8) so that I can send email via SMTP? Receiving is no problem, but sending a mail appears to be impossible.<br><br>Both GMX as well as Arcor end <span style='color:#1F497D'>up </span>with this error:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB style='color:#0070C0'>***<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='color:#0070C0'>[21:15:11] SMTP< 554 5.7.1 <unknown>: Helo command rejected: EHLO Unknown exploit<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='color:#0070C0'>** Fehler bei der SMTP-Sitzung<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='color:#0070C0'>**</span><span style='color:#0070C0'>* Fehler beim Senden der Nachricht:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='color:#0070C0'>554 5.7.1 <unknown>: Helo command rejected: EHLO Unknown exploit<br>***</span><span lang=EN-GB style='color:#1F497D'><br></span><span lang=EN-GB><br>I tried various options and looked up the FAQ but can’t find anything. I am using the same accounts in MS Outlook without any issues.<br><br>If it is hostname related, “hostname” returns a valid hostname.<br><br>Any further ideas?<br><br>Frank<o:p></o:p></span></p></div></body></html>