<t> I used my GMX mail account at home, trying dig -t mx from office showed a valid entry.<br/>
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Looks like a valid and correct setup on the mailserver part to me, so the problem must be on my side, even though a blacklist check using mxtoolbox gives me almost 100% green icons (the 2 ...

Is there a new address? I tried to send a bug report yesterday, and it bounced, indicating error with the mail server DNS setup:

"madexcept(at)matrixgames(dot)com":
no valid MX hosts found

Thanks,

Alexander