On Wed, 16 Oct 2024 at 15:10, Matus UHLAR - fantomas via Postfix-users <
postfix-users@postfix.org> wrote:
>
> dnsmasq is forwarding resolver and as such a bad idea for a mail server.
> ...maybe unless you want to avoid all levels of spam filtering.
>
I'm not even running my own caching nameserve
On Wed, 16 Oct 2024 at 15:16, Bill Cole via Postfix-users <
postfix-users@postfix.org> wrote:
> If what you're seeing is a postscreen delay on your own mail server, you
> can exempt your client IP's with a postscreen_access_list
>
No, it's a PTR record lookup on receipt of an inbound connection,
On Wed, 16 Oct 2024 at 14:43, Viktor Dukhovni via Postfix-users <
postfix-users@postfix.org> wrote:
>
> Configure the system resolver to be *authoritative* for the IP
> address(es) in question, serving an "empty" zone (perhaps just SOA and
> NS). If the address block is smaller than a /24, you'll
When sending email via my email client, there is a delay of about 5 seconds
before the email sends. I believe this is as a result of my ISP's DNS
servers being unresponsive when responding to PTR record lookups for my
client IP address.
Is there any way to disable PTR record lookups for a given se
On Wed, 16 Oct 2024 at 14:30, Bill Cole via Postfix-users <
postfix-users@postfix.org> wrote:
> On 2024-10-16 at 09:05:09 UTC-0400 (Wed, 16 Oct 2024 14:05:09 +0100)
> Dominic Preston via Postfix-users
> is rumored to have said:
>
> When sending email via my email client
