Am 14.05.2012 13:11, schrieb Amira Othman: > > > Am 14.05.2012 12:54, schrieb Amira Othman: >> Hi all >> >> I am using postfix 2.8.4 configured with 3 instances each one has its >> own ip. I need to prevent using each instance by users of other >> instances but I don't know what to change. >> Mynetworks configuration is ip range which contains the 3 ips .how to >> limit each instance to its ip > > you have to change "mynetworks" > why do you need the complete range? > list single IPs there! > > I changed it to each one ip but still can send through ip that account isn't > member of its domain
without authentication? have you configured SASL auth? if no take down the server and go back to docs!
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