An error occurred while sending mail: The mail server sent an incorrect greeting: Cannot connect to SMTP server 88.198.187.182 (88.198.187.182:587), connect er
When I try to send email I get this message and, worst of all, emails I have spent time writing (one took me nearly an hour!) disappear altogether! I've searched all folders, sent, drafts, junk, deleted, but no sign of my precious emails! Please can this problem be solved!
Alle antwurden (4)
How did you get into a situation where you're using an IP address rather than a DNS name?
Who is your email provider?
Hmm, ok, hetzner.de
If they have provided you a domain then I'd expect you to be able to use it in your email settings.
I haven't! This only happens on Thunderbird. My email address is my DNS name.
Please post your Troubleshooting Information.
At the top right of the Thunderbird window, click the menu button 
, then select Help > Troubleshooting Information.
Press the Copy text to clipboard button and paste the information into your reply.