Hi to all members, first I want to thank for all the information you expose in the forum for users like me in relation to linux and ispconfig. I have to say that after many hours of work, I hang on the following issue. I install Ispconfig on a ubuntu 10.10. The installation was as the perfect guide explain.I can send emails without any problem but I can not receive email messages from external servers. I have open ports 110 and 995: see netstat txt I can internally send and receive mail. Attached is the mail log of an intent of receive a email sent from a mail firstname.lastname@example.org from external domain to email@example.com which is the one domain where ispconfig is the ruler. Please help me.