topic Re: Switching to EE / leaving plusnet in Email

Switching to EE / leaving plusnet

amaye — Tue, 07 Jul 2026 09:46:46 GMT

Hi,

Currently, I have broadband/telephone/email with greenby.

I use thunderbird for email, so i have a setup which connects to the plusnet domains (relay.plus.net and mail.plus.net for POP3/SMTP). I believe these are plusnet servers which proxy traffic over to greenby?

To get secure pop3/smtp working, I had to ensure that the passwords on all my sub-mailboxes aligned between plusnet and greenby (via https://www.plus.net/manage_my_mail/ for plusnet).

If I am migrated to EE, will these servers stop working for me? Will have have to update my pop3/smtp settings to directly hit greenby servers, or will the proxying still continue to work)?

Thanks

Re: Switching to EE / leaving plusnet

jab1 — Tue, 07 Jul 2026 09:52:41 GMT

@amaye If your email is now with Greenby, at least in the short to medium term, your email will continue to work as now - because the email is now a separate service, nothing should change on your move to EE.

Re: Switching to EE / leaving plusnet

PhilipHeyes — Tue, 07 Jul 2026 10:15:28 GMT

Note SMTP relay.plusnet.net is a Plusnet hosted server,
closing the Plusnet internet account now will loose access to relay.plus.net

The fix for this is change your SMTP to a Greenby hosted SMTP server either : relay.force9.net or mail.enmail.co

Once you have a email configuration with all Greenby hosted servers ( we have mail.plus.net and relay.force9.net ) all email password management can be done via just the www.greenby.com web portal.

The clue for a Greenby hosted email server is it has an IP that begins : 91.xxx.xxx.xxx

Re: Switching to EE / leaving plusnet

njay — Tue, 07 Jul 2026 10:01:33 GMT

@jab1

I dont believe that is true if PN account is not an email only account as it will close meaning outgoing relay.plus.net which is a proxy still on PN side no longer works?

I believe altenative smtp proxy is force9 which has already moved to greenby or directly to greenby smtp?

Re: Switching to EE / leaving plusnet

amaye — Tue, 07 Jul 2026 10:01:34 GMT

Thanks.

But it doesn't seem to be a completely separate service.

I had to update a password on a plusnet website site to align with the password entered on the greenby site.

And the domain relay.plus.net, which I'm using in my SMTP settings, is still owned by BT.

Re: Switching to EE / leaving plusnet

jab1 — Tue, 07 Jul 2026 10:04:36 GMT

@njay wrote:
@jab1

I dont believe that is true if PN account is not an email only account as it will close meaning outgoing relay.plus.net which is a proxy still on PN side no longer works?

I believe altenative smtp proxy is force9 which has already moved to greenby or directly to greenby smtp?

OK. My apologies, I keep forgetting I'm a 'special case'😀

Re: Switching to EE / leaving plusnet

amaye — Tue, 07 Jul 2026 10:20:56 GMT

Thanks all for your input here. This is really helpful and really appreciated.

My father-in-law used to tinker lots, and he's overcomplicated his email set up. And some of his mail boxes stopped working after moving to greenby. I got all these working at the weekend, but I used relay.plus.net and mail.plus.net. I live 200 miles away, so his set up at home is a constant source of stress...

Regarding using relay.force9.net or mail.enmail.co...

I think I tried the enmail one at the weekend, but got a certificate error. Is there a way to fix that properly, or do I just need to add an exception on the cert?

Thanks again.

Re: Switching to EE / leaving plusnet

PhilipHeyes — Tue, 07 Jul 2026 10:24:07 GMT

The one with a bad Certificate mismatch is : mail.plusnet.enmail.co

relay.force9.net or mail.enmail.co are both OK

Re: Switching to EE / leaving plusnet

njay — Tue, 07 Jul 2026 10:27:09 GMT

@amaye

Greenby credentials and PN credentials are separate (same at point of migration) but there is one exception and that is relay.plus.net as this is still in PN (probably shows as BT due to PN being part of BT group)

If still using this as outgoing server then credentials are administered PN side. This issue is that if post greenby mkgration you either elect to move to another ISP or are moved to EE by the separate broadband migration then the PN account is closed and auth on relay.plus.net stops.

The solution as posted earlier is to move to outgoing server owned by greenby as then all credentials are those managed on greenby. I.e. whilst the mailbox password were initially the same at point of email migration they can be changed post migration.

Re: Switching to EE / leaving plusnet

amaye — Tue, 07 Jul 2026 10:29:33 GMT

Fantastic. Thanks all, once again - your help is much appreciated

Re: Switching to EE / leaving plusnet

PhilipHeyes — Tue, 07 Jul 2026 10:42:05 GMT

My parents ( 90 & 91 ) are also at quite a distance and we video call via Telegram etc.

Many of these conf call tools have desktop sharing to talk the through the changes to be made,
or even remote access to enable taking control and making the required adjustments
whilst keeping the voice channels open so you can point out what you are doing.

Re: Switching to EE / leaving plusnet

njay — Tue, 07 Jul 2026 10:37:57 GMT

Sorry forgot to add what usually trips this up is email clients have a use same credentials for incoming/outgoing tick box. With that set it means that PN and greenby credentials would have to be the same. With it unticked credentials for incoming and outgoing server can be entirely different user AND password