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Hello all,

I've created a new group and emailed my first post from the email I subscribed with.?

I never received that email and if I read my email delivery history on the groups.io web portal I see a bouncing error "550 5.7.1 local domain specified from non-local IP".

Do you have an idea of how to sort this out?

Many thanks in advance,
Panos??

Panos,

I never received that email and if I read my email delivery history on
the groups.io web portal I see a bouncing error
"550 5.7.1 local domain specified from non-local IP".

What your email service is saying is that they rejected the message because it is From you - your email address in their ("local") domain - yet they received it from Groups.io (a server at an IP address that doesn't belong to them ("non-local").

Do you have an idea of how to sort this out?

You'll need to ask that of your email service. As matters stand they are basically saying that you may not receive your own messages back from any traditional email list. But they may have a way to "whitelist" or otherwise identify groups.io as a valid sender of messages To you that are From you.

Or you could decide to just live with this limitation. You should be able to receive group messages from other group members (but maybe not from any that use your same email service, depending on how picky they are being). That would be something you'd need to check, if possible.

Or you could set up a second subscription for yourself at another email service (such as gmail). You would set your primary address subscription to No Email to prevent duplicates. An Email Alias and some forwarding or cross-service mail checking would be involved.

Or you could chose a more list-friendly email service.

Shal


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Hello Shal,

Many thanks for the elaborate reply. Why the error is happening is clear to me now.

We set up this mailing list for a collaboration between companies so ideally I and many colleagues would like to be able to send/receive emails properly. It is far from ideal to not be able to receive emails from colleagues from our own company (defeats the purpose of the mailing list).

What I don't get is how I can send/receive emails from my corporate email account to another mailing list (lists.onap.org) that is also set up in groups.io. The only difference is that the other group has its own domain (lists.onap.org). How isn't my email service rejecting these emails also?

Many thanks,?
Panos

On Tue, Nov 6, 2018 at 02:29 AM, Panagiotis Georgopoulos wrote:

I've created a new group and emailed my first post from the email I subscribed with.?

Rather than emailing into the group from your email address, why don't you try going online to your group and sending a message from the group itself?? I do this with all of the groups I belong to and never email into the group from my email provider.? I always see/receive the messages I send and have never had a bouncing problem even though I use a provider that is notorious for that and for marking messages as spam. Hope that helps a bit.
?
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Yvette in Ontario

Thanks for the thought Yvette. If you mean going on the web page and send a message from there, i've?tried that and it still doesn't arrive in my inbox (nor to other colleagues' inbox). We would need to go online every now and then and check that manually...

Panos,

What I don't get is how I can send/receive emails from my corporate
email account to another mailing list (lists.onap.org) that is also
set up in groups.io. The only difference is that the other group has
its own domain (lists.onap.org). How isn't my email service rejecting
these emails also?

That's a good question. I don't have any Enterprise groups and I'm not entirely familiar with what capabilities come with the custom domain feature. It is possible that the way your service checks the incoming message it sees the custom domain as "local" or otherwise bypasses that requirement. It is also possible that Groups.io is delivering messages through the submission port of a mailserver in that domain, causing the messages to actually be from a local server, as seen by your incoming processing.

A detailed examination of the message header from a message that went through that other group may provide the answer, but don't post an example in GMF - our archives are public - and it would be "noise" to most members.

In reply to Yvette you wrote:

If you mean going on the web page and send a message from there, i've
tried that and it still doesn't arrive in my inbox (nor to other
colleagues' inbox).

You mean colleagues using the same email service? I was afraid of that.

Other options:

Ask your email service to publish a DMARC policy of "reject". This would be a very draconian step, and I don't really recommend it, but it would cause Groups.io to automatically re-write your From address as being @groups.io, thus avoiding the problem.

Ask Groups.io to implement an account feature whereby you can elect to have your From address rewritten (as if for DMARC) despite the lack of a published policy from your email service. This has been discussed before and it would help others with a similar problem.


Shal


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Hello Shal,

Many thanks for your response!

> In reply to Yvette you wrote:
> > If you mean going on the web page and send a message from there, i've
> > tried that and it still doesn't arrive in my inbox (nor to other
> > colleagues' inbox).
>
> You mean colleagues using the same email service? I was afraid of that.

Yes, colleagues within our company using the corporate emailing service (

> Other options:
>
> Ask your email service to publish a DMARC policy of "reject". This would
> be a very draconian step, and I don't really recommend it, but it would
> cause Groups.io to automatically re-write your From address as being
> @groups.io, thus avoiding the problem.

I am afraid they wouldn't do that...and you are right this is a draconian measure.

> Ask Groups.io to implement an account feature whereby you can elect to
> have your From address rewritten (as if for DMARC) despite the lack of a
> published policy from your email service. This has been discussed before
> and it would help others with a similar problem.
>

I did just that, many thanks.
Panos

If Groups.io rewrote all From addresses as if for DMARC, wouldn’t that ensure the same and a more reliable experience for all users?

Michael,

If Groups.io rewrote all From addresses as if for DMARC, wouldn’t that
ensure the same and a more reliable experience for all users?

Yes, but IMO the same miserable experience.

I'm more keen on convincing mailbox providers to eschew the "reject" policy, but I know that's a lost cause. Some receiving services (such as Gmail) treat it as "advice" but will generally ignore it if the message (or the sender) otherwise seems non-spammy enough -- by whatever magic criteria Gmail uses.

Perhaps someday the ARC protocol may reach broad enough acceptance that email lists could stand-down their DMARC defense mechanisms and go back to unmodified From addresses. But I'm not holding my breath on that either.

It is more possible that ARC acceptance may become broad enough that Groups.io could narrow the defense and make it triggered by the policies of the receiving service as well as that of the sending service. Then From re-writing would penalize only the users of receiving services that won't use ARC (or other means) to overrule the sender's DMARC policy.

Shal


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