[pve-devel] [PATCH installer] install: set postfix config compatibility level to 3.6 to avoid warning

[pve-devel] [PATCH installer] install: set postfix config compatibility level to 3.6 to avoid warning

[Shannon Sterz]

otherwise postfix will complain about using a backward compatible
config. since we don't seem to use anything that would be problematic
here anyway [1], just bump the version to avoid spamming the logs.

[1]: https://www.postfix.org/COMPATIBILITY_README.html

Signed-off-by: Shannon Sterz <s.sterz@proxmox.com>
---

tested this on two nodes by adapting the config there and running
`postfix reload`. setting this to 3.6 meant no more warnings, going back
down to 2 would warn again.

 Proxmox/Install.pm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Proxmox/Install.pm b/Proxmox/Install.pm
index 3159dcc..f40d20d 100644
--- a/Proxmox/Install.pm
+++ b/Proxmox/Install.pm
@@ -42,7 +42,7 @@ mynetworks = 127.0.0.0/8
 inet_interfaces = loopback-only
 recipient_delimiter = +

-compatibility_level = 2
+compatibility_level = 3.6

 _EOD

--
2.47.2



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Re: [pve-devel] [PATCH installer] install: set postfix config compatibility level to 3.6 to avoid warning

[Stoiko Ivanov]

Thanks for taking a look at this!

Put shortly don't see anything that should break with the updated
compatibility_level for all our products apart from PMG (see below):

Reviewed-by: Stoiko Ivanov <s.ivanov@proxmox.com>

For PMG it should work fine as well (mostly as a note to self for the
upcoming PMG 9.0): I quickly checked our use of the affected
config-options in the PMG config templates - and the only things that
might cause issues with PMG were:
* respectful_logging=yes (because of the log-tracker, but that seems a
  non-issue from a quick grep there, and if not we need to fix it up there
  anyways)
* xxx_security_level (client-side TLS) - currently this would change the
  behavior of the TLS Settings - but if this should be problematic for any
  deployment (where they need to actively disable outbound opportunistic
  TLS) - I'd rather adapt our config with a new setting to explicitly
  disable it.

On Tue,  5 Aug 2025 11:54:26 +0200
Shannon Sterz <s.sterz@proxmox.com> wrote:

> otherwise postfix will complain about using a backward compatible
> config. since we don't seem to use anything that would be problematic
> here anyway [1], just bump the version to avoid spamming the logs.
> 
> [1]: https://www.postfix.org/COMPATIBILITY_README.html
> 
> Signed-off-by: Shannon Sterz <s.sterz@proxmox.com>
> ---
> 
> tested this on two nodes by adapting the config there and running
> `postfix reload`. setting this to 3.6 meant no more warnings, going back
> down to 2 would warn again.
> 
>  Proxmox/Install.pm | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/Proxmox/Install.pm b/Proxmox/Install.pm
> index 3159dcc..f40d20d 100644
> --- a/Proxmox/Install.pm
> +++ b/Proxmox/Install.pm
> @@ -42,7 +42,7 @@ mynetworks = 127.0.0.0/8
>  inet_interfaces = loopback-only
>  recipient_delimiter = +
> 
> -compatibility_level = 2
> +compatibility_level = 3.6
> 
>  _EOD
> 
> --
> 2.47.2
> 
> 
> 
> _______________________________________________
> pve-devel mailing list
> pve-devel@lists.proxmox.com
> https://lists.proxmox.com/cgi-bin/mailman/listinfo/pve-devel
> 
> 



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[pve-devel] applied: [PATCH installer] install: set postfix config compatibility level to 3.6 to avoid warning

[Thomas Lamprecht]

On Tue, 05 Aug 2025 11:54:26 +0200, Shannon Sterz wrote:
> otherwise postfix will complain about using a backward compatible
> config. since we don't seem to use anything that would be problematic
> here anyway [1], just bump the version to avoid spamming the logs.
> 
> [1]: https://www.postfix.org/COMPATIBILITY_README.html
> 
> 
> [...]

Applied, thanks!

[1/1] install: set postfix config compatibility level to 3.6 to avoid warning
      commit: 6bc500651b0b3f3290e73a98ead558c8d57bf75d


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