Dear David, @06-Jun-2016, 1:06 +0000 (06-Jun 12:11 here) David [F] in mid:em2c338905-d69c-476d-8309-2ae31b6203c2@david-npc said:
... <snip> F> I don't understand all this authentication. Nothing has changed at my F> end. It is crystal clear that something fundamental was changed at the 1&1 server end that stops TB authentication from working. I see that they have 2 named SMTP servers: auth.smtp.1and1.co.uk smtp.1and1.co.uk Which are you using? -- Cheers -- Marck D Pearlstone -- List moderator and fellow end user TB! v7.1.18.10 (BETA) on Windows 10.0.10586 '
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________________________________________________ Current version is 7.1 | 'Using TBUDL' information: http://www.silverstones.com/thebat/TBUDLInfo.html