Thanks for the explanation, Michael.
Most of the challenges are, honestly, coming from other solutions that
send telemetry, etc. both to local admin (i.e. me) and for remote
diagnostics/statistics. The emails that are going to domains hosted by
my BlueOnyx, as you'd expect, get delivered just fine. It's those pesky
outgoing things (and to be honest, I also use internal email to external
SMS notification emails for some things that also get shot down).
While none of these are life and death critical, I'm glad to know that
at least the problem is understood, and appreciate the complexities of
implementing a fix. Hopefully parsing the IF{postfix} then {ensure IP's
only} won't be a big lift, and also won't disrupt anything else that
needs to work. I respect that my challenge may be a specific to me one,
and that doing something about it may not be practical without breaking
other things. If that ends up the case, just tell me. :)
Thank you sir!
-Chad
On 9/21/2023 1:39 AM, :
The complication is that the GUI field "Relay Email From
Hosts/Domains/IP Addresses" accepts both IPs and domain names, but the
"mynetworks" line in Postfix just accepts IPs. So I'll have to throw in
some extra cogs and wheels to make sure that only IPs end up in the
"mynetworks" line. But this is doable.
I'll play around with it tomorrow and will see if I can work this out
and then we'll have a YUM update ready to fix this in the next few days.
-- With best regards Michael Stauber
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