You're not wrong. I would only say say that perhaps this makes -all
harmless versus something one truly needs to worry about or avoid.
There's a lot of past, quite possibly bogus, guidance where we were
all pushed as ESP senders to implement -all, given the impression that
once upon a time it
On Thu, Dec 14, 2017 at 8:07 PM, Bill Cole
wrote:
> On 14 Dec 2017, at 14:01 (-0500), Jim Popovitch wrote:
>
>> Aside from a few HUGE providers, those with very large and disparate
>> networks/offices/topology
>
>
> SPF isn't related to the complexity
On 14 Dec 2017, at 14:01 (-0500), Jim Popovitch wrote:
Aside from a few HUGE providers, those with very large and disparate
networks/offices/topology
SPF isn't related to the complexity of a network, but control of users
using a domain name, which is a very different thing.
-all means
My point is that -all is policy, and most people ignore the policy portions
of SPF because it completely fails a lot of forwarding cases.
-all is asking receivers to reject mail that doesn't pass.
~all isn't policy.
In practice, very few receivers implement SPF policy (except -all by itself
for
On Thu, Dec 14, 2017 at 2:14 PM, Brandon Long via mailop
wrote:
>
> On Thu, Dec 14, 2017 at 11:09 AM Jim Popovitch wrote:
>>
>> On Thu, Dec 14, 2017 at 11:33 AM, Vladimir Dubrovin via mailop
>> wrote:
>> >
>> > In fact, you should not use
On Thu, Dec 14, 2017 at 11:09 AM Jim Popovitch wrote:
> On Thu, Dec 14, 2017 at 11:33 AM, Vladimir Dubrovin via mailop
> wrote:
> >
> > In fact, you should not use "-all" for your mail domain if you care
> > about deliverability.
>
> FALSE! (Also, you
On Thu, Dec 14, 2017 at 11:33 AM, Vladimir Dubrovin via mailop
wrote:
>
> In fact, you should not use "-all" for your mail domain if you care
> about deliverability.
FALSE! (Also, you should not randomly add CC recipients to the same
mailinglist that you are responding to)
> If you want to be a good neighbour, you should have a restrictive (not
> ~all) SPF
This is quite common misconception. In fact, you should not use "-all"
for your mail domain if you care about deliverability.
You can find this fact and many more SPF misconceptions explained here: