g.gloeckner

I can send e-mails if I exit VPN and it fails sending as soon as I start it again.

Most of my emails aren’t send anymore. I got this reply: Mail delivery failed: returning message to sender> >This message was created automatically by mail delivery software.> >A message that you sent could not be delivered to one or more of its >recipients. This is a permanent error.> >The following address failed: ...t-online.de The support of my provider told me, that my IP address (be sent over VPN) are marked as spam because it is on 4 black lists. >--- The header of the original message is following. --- ... >X-Spam-Flag: YES >X-UI-Out-Filterresults: >junk:10;V03:K0:tzKHYHp5tPs=:vRbCBPM7scTGM3eT1CeAnCuh What should I do?