On Tue, Mar 10, 2020 at 05:18:01PM -0500, Noel Jones wrote:
> On 3/10/2020 4:55 PM, Stefan Bauer wrote:
> >
> > i know this is quite old, but
> > smtp_fallback_relay should only get triggered on
> > undeliverable-events and not when remote replies with a 4xx or 5xx -
> > right?
Not quite.
On 3/10/2020 4:55 PM, Stefan Bauer wrote:
Hi Noel,
i know this is quite old, but
smtp_fallback_relay should only get triggered on
undeliverable-events and not when remote replies with a 4xx or 5xx -
right?
That's what the docs say, which implies my off-the-cuff crappy
workaround is
On 31 May 2019, at 11:12, Stefan Bauer wrote:
> thank you for your reply. You know, in real world, ips/ranges get blocked
> from time to time
Not be legitimate RBLs they don't unless you are actually sending spam. If more
IPs than just you mail server are getting blocked, then you probably
The majority of blacklists work on the individual host level (IPv4 /32
or IPv6 /64). If your provider's entire /22 is being listed by public
blacklists then I suspect you either have a very disreputable provider
or the provider has indicated that the /22 is intended for use by
Hi Noel,
thank you for your reply. You know, in real world, ips/ranges get blocked
from time to time and i would like to be ready for this and not rely on
others :)
The workaround looks indeed crappy - i wonder how others handle this
situation in "bigger" setups? I'm currently having 7000-8000
On 5/31/2019 1:48 AM, Stefan Bauer wrote:
Hi,
I'm running a pair of postfix-servers in different data-centers
(different ip networks) for outgoing-only delivery. once in a while
my providers /22 appear on public blacklists, so mails from my nodes
also gets rejected.
For this, i have now a