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Hi all.

Many of our group members have commented that groups.io mails are not more delivered to Telia/Sonera consumer @pp.inet.fi email addresses and this has been due to some TLS errors.

I have not been able to pinpoint this myself but seek for assistance is there anything which can be do as a group admin or this issue deeper within groups.io delivery mechanisms.

Best regards,
Erik

Erik,

I have not been able to pinpoint this myself but seek for assistance
is there anything which can be do as a group admin or this issue
deeper within groups.io delivery mechanisms.

Your best source of information is the member's Subscription page (click on their row in the group's Members list). There's an Email Delivery History tab which should show you information about successful and unsuccessful deliveries, and in particular the status response from recently rejected messages.

In most cases it will be up to the member to report that response to their email service provider to find out why the message(s) from Groups.io were rejected, and how to correct the problem.

In a case of a pattern of rejection by a given email service you might also report the problem to [email protected] Generally speaking Groups.io won't be able to directly solve the problem but they may attempt to contact the service's technical contacts to resolve the issue.

Shal


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Thanks Shal for your reply.

It looks like the provider requires TLS v1.2 on the handshake and without that the handshake fails.

I will send this finding to groups.io support for further actions.

Thanks,
Erik

Groups.io supports TLS 1.2 as noted in ? It would seem to me that the ISP cipher is the source of the problem.

Duane
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