Hello Jerry,This is an error caused by your server saying that the file couldn't be opened for writting. Try to change file permissions on files in newsletters data library. By the way I don't understand how you can subscribe som e-mails but no others when you don't have permissions to write to the file.
OK, your advice is to change the permissions to write the files. But I did it!!! Otherwise I couldn´t register with the other mail-addresses, or?
But to explain the problem again: I checked out the newsletter and can register with many e-mail addresses. But it doesn´t function with the web.de address (with a dot).
OK, I try it again, I will take your advice!!