Re: dual stack rbl

2019-10-31 Thread Wietse Venema
Jaroslaw Rafa: > Dnia 31.10.2019 o godz. 21:27:46 Benny Pedersen pisze: > > how will postfix handle connections if recipient domains see ip in > > rbl blacklist, will it be trying agin until all ips on recipient > > domain is tryed ? > > > > does it make sense ? > > > > will first reject just win

Re: dual stack rbl

2019-10-31 Thread Wietse Venema
Benny Pedersen: > how will postfix handle connections if recipient domains see ip in rbl > blacklist, will it be trying agin until all ips on recipient domain is > tryed ? Postfix implements the SMTP protocol. If the remote SMTP server replies with 5XX, the sending Postfix system returns the re

Re: dual stack rbl

2019-10-31 Thread Jaroslaw Rafa
Dnia 31.10.2019 o godz. 21:27:46 Benny Pedersen pisze: > how will postfix handle connections if recipient domains see ip in > rbl blacklist, will it be trying agin until all ips on recipient > domain is tryed ? > > does it make sense ? > > will first reject just win on dual stack ipv4 / ipv6 host

dual stack rbl

2019-10-31 Thread Benny Pedersen
how will postfix handle connections if recipient domains see ip in rbl blacklist, will it be trying agin until all ips on recipient domain is tryed ? does it make sense ? will first reject just win on dual stack ipv4 / ipv6 hostname ? i ask this since i like to know what to do with that probl