text_combined: dan farrell pyysporeathcx thu 28 feb 2008 132351 0000 mark blackman wrote 28 feb 2008 1320 vu cuong wrote 1 dynamic ip address dyndnscom xxxdyndnscom 1 gmail account bsefngmailcom successfully setup postfix send mail outside postfix relay useragmailcom recipients received mails open mail address theses mails bsefngmailcom userbxxxdyndnscom want change recipients received mails open mail address theses mails abponxxxdyndnscom useragmailcom way believe gmail rewrites header reflect authenticated sending account use isps relays provide isp rewrite mail addresses pay somebody relay andor forwarding access usually costs somewhere around 20 yearly mark thu 07 aug 2008 232711 0600 relay gmail