Matthew J Black via Postfix-users:
>
> On 25/2/25 02:40, Wietse Venema via Postfix-users wrote:
> > Matthew J Black via Postfix-users:
> >> Hi Wietse,
> >>
> >> Thanks for getting back to me.
> >>
> >> 1) Its a connection to port 25587; a substitute for 587 (see (2) below)
> > Maybe your getaddrinfo() implementation does not want to convert a
> > numerical port to internal form, when that prot has no entry in
> > /etc/services (that would be security by obscurity).
> They're Rocky Linux boxes (latest version, as is Postfix and HAProxy) -
> I don't know the ins and outs that well, but that doesn't sound like
> something the Rocky boys'd do (security by obscurity) - I will float it
> past them though.
Here is an idea: add the d*mned line to /etc/services and see if
that makes a difference.
Wietse
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