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Old 08-25-2018, 07:26 PM   #4
h0m3r
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Quote:
Originally Posted by DNSB View Post
One quick question, did you login to GMX using a web browser, click settings at the bottom of the email tab, select POP3 & IMAP and check the box that says allow access to this account via POP3 and IMAP? If that access is not enabled, I got the authentication failure error trying to send from calibre.
Exactly this. Thank you.

In fact, after reading your message, I went to the web interface of gmx.. and lo and behold, there was a message from them (subject: "Failed access via e-mail program") stating the same thing.
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