Hello Harald, On Sun, 5 Jun 2016 19:27:33 +0200 GMT (06-Jun-16, 00:27 +0700 GMT), Harald Faber wrote:
> Hi, >>>>Protocols and ports: >>>> >>>>-Send mail- >>>>Connection: "Secure to dedicated port (TLS)" >>>>Port: 465 >>>>Authentication: "Perform SMTP Authentication", "Same user/password as >>>>for Mail Retrieval" > This does not work either, same error message as before: > 05.06.2016, 19:21:11: SEND - Sende Nachricht(en) - 1 Nachricht(en) > in der Warteschlange > 05.06.2016, 19:21:11: SEND - Einleitung TLS-Handshake GMX >>05.06.2016, 19:21:11: SEND - Zertifikat S/N: xxx, Algorithmus: RSA > (2048 Bits), ausgestellt von 12.11.2013 10:16:47 bis 17.11.2016 > 23:59:59, für 4 Host(s): mail.gmx.net, mail.gmx.de, smtp.gmx.net, > smtp.gmx.de. >>05.06.2016, 19:21:11: SEND - Besitzer: DE, 1&1 Mail & Media GmbH, > Rhineland-Palatinate, Montabaur, server-ce...@1und1.de, mail.gmx.net. >>05.06.2016, 19:21:11: SEND - Aussteller: DE, T-Systems International > GmbH, T-Systems Trust Center, NRW, 57250, Netphen, Untere Industriestr. > 20, TeleSec ServerPass DE-1. >>05.06.2016, 19:21:11: SEND - Root: DE, Deutsche Telekom AG, T-TeleSec > Trust Center, Deutsche Telekom Root CA 2 > 05.06.2016, 19:21:12: SEND - TLS-Handshake vollständig GMX > 05.06.2016, 19:21:12: SEND - verbunden mit dem SMTP-Server GMX > 05.06.2016, 19:21:12: SEND - authentifizieren (Plain)... GMX > 05.06.2016, 19:22:12: SEND - Server meldet Fehler. Die Antwort ist: > 05.06.2016, 19:22:12: SEND - authentifizieren (Login)... GMX > 05.06.2016, 19:22:12: SEND - Server meldet Fehler. Die Antwort ist: > 05.06.2016, 19:22:12: SEND - Verbindung beendet - 0 Nachricht(en) > versandt My settings are the same. I noticed you mention this: > Authentication: "Perform SMTP Authentication", "Same user/password > as for Mail Retrieval" Did you actually key in your credentials for mail retrieval? It's just an idea. > But I have some additional information: > Sending Emails with Thunderbird via port 587 and STARTTLS only works for > 1&1 (smtp.1und1.de), not for GMX. For GMX (mail.gmx.net) I have to use > port 465 and SSL/TLS. Yes, GMX announced some time ago that you have to use TLS and port 465. -- Cheers, Thomas. http://thomas.fernandez.hat-gar-keine-homepage.de/ Message reply created with The Bat! 7.1.18.3 (BETA) under Windows 10.0 Build 10586 ________________________________________________ Current version is 7.1 | 'Using TBUDL' information: http://www.silverstones.com/thebat/TBUDLInfo.html