Re: IPv6 to IPv4 fallback

2014-04-06 Thread Wietse Venema
Viktor Dukhovni: > On Sun, Apr 06, 2014 at 02:25:28PM -0400, Rick Zeman wrote: > > > I now have IPv6 routing working along with "inet_protocols = all" in > > my main.cf (Postfix 2.9.4). I've noticed that using my outbound relay > > (which is load balanced across many machines) will connect with e

Re: IPv6 to IPv4 fallback

2014-04-06 Thread Viktor Dukhovni
On Sun, Apr 06, 2014 at 02:25:28PM -0400, Rick Zeman wrote: > I now have IPv6 routing working along with "inet_protocols = all" in > my main.cf (Postfix 2.9.4). I've noticed that using my outbound relay > (which is load balanced across many machines) will connect with either > protocol with no di

IPv6 to IPv4 fallback

2014-04-06 Thread Rick Zeman
Howdy, I now have IPv6 routing working along with "inet_protocols = all" in my main.cf (Postfix 2.9.4). I've noticed that using my outbound relay (which is load balanced across many machines) will connect with either protocol with no discernible pattern even to the same destination. Going by the

Re: IPv6 to IPv4 fallback mechanism

2012-04-26 Thread Benny Pedersen
Den 2012-04-25 14:45, Fernando Gozalo skrev: About this, I have a better solution: trust in MX fallback and not in IPv6-to-IPv4 fallback mechanism. The lesson learned with this problem is: always have 1 mx with no record. solution #2 ping6 -c3 ipv6.google.com solution #42 ping -c3

Re: IPv6 to IPv4 fallback mechanism

2012-04-26 Thread Wietse Venema
Fernando Gozalo: [ Charset ISO-8859-1 unsupported, converting... ] > Hi, > > >>>>>> does the postfix smtp client implement the IPv6 to IPv4 fallback > >>>>>> mechanism as browsers do? > >>>>> > >>>>> Postf

Re: IPv6 to IPv4 fallback mechanism

2012-04-25 Thread Fernando Gozalo
Hi, does the postfix smtp client implement the IPv6 to IPv4 fallback mechanism as browsers do? Postfix implements the MX fallback strategy as defined in the SMTP RFC (5321). In addition, Postfix implements this: smtp_address_preference (default: any) The address type ("ipv6",

Re: IPv6 to IPv4 fallback mechanism

2012-04-25 Thread Wietse Venema
Fernando Gozalo: > Hi, > > >>>> does the postfix smtp client implement the IPv6 to IPv4 fallback > >>>> mechanism as browsers do? > >>> > >>> Postfix implements the MX fallback strategy as defined in the

Re: IPv6 to IPv4 fallback mechanism

2012-04-25 Thread Fernando Gozalo
El 25/04/12 14:27, Wietse Venema escribió: Fernando Gozalo: Hi, Fernando Gozalo: Hi, does the postfix smtp client implement the IPv6 to IPv4 fallback mechanism as browsers do? Postfix implements the MX fallback strategy as defined in the SMTP RFC (5321). In addition, Postfix implements

Re: IPv6 to IPv4 fallback mechanism

2012-04-25 Thread Fernando Gozalo
Hi, does the postfix smtp client implement the IPv6 to IPv4 fallback mechanism as browsers do? Postfix implements the MX fallback strategy as defined in the SMTP RFC (5321). In addition, Postfix implements this: smtp_address_preference (default: any) The address type ("ipv6",

Re: IPv6 to IPv4 fallback mechanism

2012-04-25 Thread Wietse Venema
Fernando Gozalo: > Hi, > > > Fernando Gozalo: > >> Hi, > >> > >> does the postfix smtp client implement the IPv6 to IPv4 fallback > >> mechanism as browsers do? > > > > Postfix implements the MX fallback strategy as defined in t

Re: IPv6 to IPv4 fallback mechanism

2012-04-25 Thread Fernando Gozalo
Hi, Fernando Gozalo: Hi, does the postfix smtp client implement the IPv6 to IPv4 fallback mechanism as browsers do? Postfix implements the MX fallback strategy as defined in the SMTP RFC (5321). In addition, Postfix implements this: smtp_address_preference (default: any) The address

Re: IPv6 to IPv4 fallback mechanism

2012-04-20 Thread Wietse Venema
Fernando Gozalo: > Hi, > > does the postfix smtp client implement the IPv6 to IPv4 fallback > mechanism as browsers do? Postfix implements the MX fallback strategy as defined in the SMTP RFC (5321). In addition, Postfix implements this: smtp_address_preference (default: any)

Re: IPv6 to IPv4 fallback mechanism

2012-04-20 Thread lst_hoe02
Zitat von Fernando Gozalo : Hi, does the postfix smtp client implement the IPv6 to IPv4 fallback mechanism as browsers do? Postfix uses the fallback mechanism SMTP provides. It connects the MX with lowest priority at IPv6 if available and proceed to the next IPv6 or IPv4 address

IPv6 to IPv4 fallback mechanism

2012-04-20 Thread Fernando Gozalo
Hi, does the postfix smtp client implement the IPv6 to IPv4 fallback mechanism as browsers do? -- Un saludo. Fernando. --- Fernando Gozalo Rodrigo - Analista de Sistemas Centro de Sistemas Informáticos Universidad Nacional de