Can't send an E-mail From GMX IMAP Account




I can't send E-mails from my GMX account in Windows Mail but i can
reseve them. PLEASE HELP!
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Servers

Server Type:IMAP
IMAP:imap.gmx.com
SMTP:mail.gmx.com
Log on using clear text authentication (check marked)
My server requires authentication (check marked)
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Advanced

(Outgoing mail) SMTP:25
(Incoming mail) IMAP:143
server timeouts 1 minute
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