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Help required with POP3 stunnel

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  Help required with POP3 stunnel John <this.address.is.rejected@limax.co.uk> - 2025-12-10 18:23 +0000
    Re: Help required with POP3 stunnel John Hall <john@jhall.co.uk> - 2025-12-10 20:14 +0000
      Re: Help required with POP3 stunnel John <this.address.is.rejected@limax.co.uk> - 2025-12-11 14:56 +0000
        Re: Help required with POP3 stunnel John Hall <john@jhall.co.uk> - 2025-12-11 16:42 +0000
          Re: Help required with POP3 stunnel John <this.address.is.rejected@limax.co.uk> - 2025-12-14 10:17 +0000
            Re: Help required with POP3 stunnel John Hall <john@jhall.co.uk> - 2025-12-14 18:52 +0000
              Re: Help required with POP3 stunnel John <this.address.is.rejected@limax.co.uk> - 2025-12-15 16:39 +0000
                Re: Help required with POP3 stunnel John Hall <john@jhall.co.uk> - 2025-12-15 16:56 +0000
                  Re: Help required with POP3 stunnel "J. P. Gilliver" <G6JPG@255soft.uk> - 2025-12-15 21:39 +0000
                    Re: Help required with POP3 stunnel "David B." <BD@hotmail.co.uk> - 2025-12-15 23:09 +0000
                      Re: Help required with POP3 stunnel Ian Jackson <ianREMOVETHISjackson@g3ohx.co.uk> - 2025-12-20 22:53 +0000
                        Re: Help required with POP3 stunnel "J. P. Gilliver" <G6JPG@255soft.uk> - 2025-12-21 03:39 +0000
                          Re: Help required with POP3 stunnel Ian Jackson <ianREMOVETHISjackson@g3ohx.co.uk> - 2025-12-23 17:09 +0000
                            Re: Help required with POP3 stunnel John Hall <john@jhall.co.uk> - 2025-12-23 18:32 +0000
                            Re: Help required with POP3 stunnel "J. P. Gilliver" <G6JPG@255soft.uk> - 2025-12-24 06:09 +0000
                              Re: Help required with POP3 stunnel Ian Jackson <ianREMOVETHISjackson@g3ohx.co.uk> - 2025-12-24 14:01 +0000
                                Re: Help required with POP3 stunnel "J. P. Gilliver" <G6JPG@255soft.uk> - 2025-12-24 15:36 +0000
                                  Re: Help required with POP3 stunnel Ian Jackson <ianREMOVETHISjackson@g3ohx.co.uk> - 2025-12-24 21:31 +0000
                                    Re: Help required with POP3 stunnel John Hall <john@jhall.co.uk> - 2025-12-24 21:53 +0000
                                      Re: Help required with POP3 stunnel "J. P. Gilliver" <G6JPG@255soft.uk> - 2025-12-25 11:50 +0000
                                        Re: Help required with POP3 stunnel John Hall <john@jhall.co.uk> - 2025-12-25 20:19 +0000
                                          PlusNet outsourcing (was: Re: Help required with POP3 stunnel) "J. P. Gilliver" <G6JPG@255soft.uk> - 2025-12-26 02:40 +0000
                                            Re: PlusNet outsourcing John Hall <john@jhall.co.uk> - 2025-12-26 10:15 +0000
                                              Re: PlusNet outsourcing "J. P. Gilliver" <G6JPG@255soft.uk> - 2025-12-26 11:51 +0000
                                                Re: PlusNet outsourcing John Hall <john@jhall.co.uk> - 2025-12-26 16:32 +0000
                                                  Re: PlusNet outsourcing Ian Jackson <ianREMOVETHISjackson@g3ohx.co.uk> - 2025-12-27 13:47 +0000
                                                    Re: PlusNet outsourcing Ian Jackson <ianREMOVETHISjackson@g3ohx.co.uk> - 2025-12-27 13:57 +0000
                                                      Re: PlusNet outsourcing Ian Jackson <ianREMOVETHISjackson@g3ohx.co.uk> - 2025-12-27 16:14 +0000
                                                    Re: PlusNet outsourcing "J. P. Gilliver" <G6JPG@255soft.uk> - 2025-12-27 14:40 +0000

Page 2 of 2 — ← Prev page 1 [2]

#18534

On 25/12/2025 11:50, J. P. Gilliver wrote:
> On 2025/12/24 21:53:29, John Hall wrote:
> 
> []
> 
>> A search for "Plusnet email settings" turned up this:
>>
>> https://www.plus.net/help/email-account-changes/
>>
>> Apparently Plusnet recently outsourced their email service to a
>> differemt outfit, and it does now require TLS/SSL, which for TP does
>> mean that you'll need Stunnel.
> 
> (Yes, Greenly.) I suspected as much - so the claims that it would be
> seamless are as untrue as I expected.

Going by what you and Ian have posted here, it looks like their claim to 
have emailed all their users in advance of the change is false as well.

> 
> Interesting that (using Thunderbird, as I have to, or at least I have to
> use 64-bit OS for some other software, so can't use TP [even VM not
> allowed]) I didn't have to change anything; presumably that was using
> whatever was required anyway, and that _didn't_ upset the old PlusNet
> servers.
> 

That's interesting, as normally you'd expect the port numbers to have 
changed.
-- 
John Hall

      You can divide people into two categories:
      those who divide people into two categories and those who don't

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#18535 — PlusNet outsourcing (was: Re: Help required with POP3 stunnel)

On 2025/12/25 20:19:1, John Hall wrote:
> On 25/12/2025 11:50, J. P. Gilliver wrote:
>> On 2025/12/24 21:53:29, John Hall wrote:
>>
>> []
>>
>>> A search for "Plusnet email settings" turned up this:
>>>
>>> https://www.plus.net/help/email-account-changes/
>>>
>>> Apparently Plusnet recently outsourced their email service to a
>>> differemt outfit, and it does now require TLS/SSL, which for TP does
>>> mean that you'll need Stunnel.
>>
>> (Yes, Greenly.) I suspected as much - so the claims that it would be
>> seamless are as untrue as I expected.
> 
> Going by what you and Ian have posted here, it looks like their claim to 
> have emailed all their users in advance of the change is false as well.
> 
I _have_ had confirmation, or at least notification - 2025-10-16 the
general one that they were going to do it, and 2025-12-16 the Welcome to
Greenby one. (Not Greenly - I keep getting that wrong.)
>>
>> Interesting that (using Thunderbird, as I have to, or at least I have to
[]
>> allowed]) I didn't have to change anything; presumably that was using
>> whatever was required anyway, and that _didn't_ upset the old PlusNet
>> servers.
>>
> 
> That's interesting, as normally you'd expect the port numbers to have 
> changed.

I have noticed, since the second email, if I leave the laptop unattended
for a while (Thunderbird left open [I use POP if that's relevant]), I
have one or more "unable to connect to" popup windows when I come back.
So far, emails have continued to come and go, but I'm not confident for
the future.

-- 
J. P. Gilliver. UMRA: 1960/<1985 MB++G()ALIS-Ch++(p)Ar++T+H+Sh0!:`)DNAf

They are public servants, so we will threat them rather as Flashman
treats servants. - Stephen Fry on some people's attitudo to the BBC, in
Radio Times, 3-9 July 2010

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#18536 — Re: PlusNet outsourcing

On 26/12/2025 02:40, J. P. Gilliver wrote:
> I have noticed, since the second email, if I leave the laptop unattended
> for a while (Thunderbird left open [I use POP if that's relevant]), I
> have one or more "unable to connect to" popup windows when I come back.
> So far, emails have continued to come and go, but I'm not confident for
> the future.

It might be worth checking that your Thunderbird is set to use the port 
numbers that Plusnet/Greenly now recommend for POP3 and SMTP.
-- 
John Hall

      You can divide people into two categories:
      those who divide people into two categories and those who don't

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#18537 — Re: PlusNet outsourcing

On 2025/12/26 10:15:24, John Hall wrote:
> On 26/12/2025 02:40, J. P. Gilliver wrote:
>> I have noticed, since the second email, if I leave the laptop unattended
>> for a while (Thunderbird left open [I use POP if that's relevant]), I
>> have one or more "unable to connect to" popup windows when I come back.
>> So far, emails have continued to come and go, but I'm not confident for
>> the future.
> 
> It might be worth checking that your Thunderbird is set to use the port 
> numbers that Plusnet/Greenly now recommend for POP3 and SMTP.

I'm using 110 for POP and 25 for SMTP.
-- 
J. P. Gilliver. UMRA: 1960/<1985 MB++G()ALIS-Ch++(p)Ar++T+H+Sh0!:`)DNAf

I'd rather trust the guys in the lab coats who aren't demanding that I
get up early on Sundays to apologize for being human. -- Captain
Splendid (quoted by "The Real Bev" in mozilla.general, 2014-11-16)

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#18538 — Re: PlusNet outsourcing

On 26/12/2025 11:51, J. P. Gilliver wrote:
> On 2025/12/26 10:15:24, John Hall wrote:
>> On 26/12/2025 02:40, J. P. Gilliver wrote:
>>> I have noticed, since the second email, if I leave the laptop unattended
>>> for a while (Thunderbird left open [I use POP if that's relevant]), I
>>> have one or more "unable to connect to" popup windows when I come back.
>>> So far, emails have continued to come and go, but I'm not confident for
>>> the future.
>>
>> It might be worth checking that your Thunderbird is set to use the port
>> numbers that Plusnet/Greenly now recommend for POP3 and SMTP.
> 
> I'm using 110 for POP and 25 for SMTP.

That document I linked to says 995 for POP and that 587 is recommended 
for SMTP although 25 can also be used:

https://www.plus.net/help/email-guides/how-to-set-up-plusnet-email/
-- 
John Hall

      You can divide people into two categories:
      those who divide people into two categories and those who don't

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#18539 — Re: PlusNet outsourcing

In message <mr7rliFsomgU1@mid.individual.net>, John Hall 
<john@jhall.co.uk> writes
>On 26/12/2025 11:51, J. P. Gilliver wrote:
>> On 2025/12/26 10:15:24, John Hall wrote:
>>> On 26/12/2025 02:40, J. P. Gilliver wrote:
>>>> I have noticed, since the second email, if I leave the laptop unattended
>>>> for a while (Thunderbird left open [I use POP if that's relevant]), I
>>>> have one or more "unable to connect to" popup windows when I come back.
>>>> So far, emails have continued to come and go, but I'm not confident for
>>>> the future.
>>>
>>> It might be worth checking that your Thunderbird is set to use the port
>>> numbers that Plusnet/Greenly now recommend for POP3 and SMTP.
>>  I'm using 110 for POP and 25 for SMTP.
>
>That document I linked to says 995 for POP and that 587 is recommended 
>for SMTP although 25 can also be used:
>
>https://www.plus.net/help/email-guides/how-to-set-up-plusnet-email/

This seems to be definitive. Has anyone implemented it?
https://tinyurl.com/3uyvyzm8
[The original is massive!]
-- 
Ian
Aims and ambitions are neither attainments nor achievements

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#18540 — Re: PlusNet outsourcing

In message <nJjC9RCFO+TpFwjl@brattleho.plus.com>, Ian Jackson 
<ianREMOVETHISjackson@g3ohx.co.uk> writes
>In message <mr7rliFsomgU1@mid.individual.net>, John Hall 
><john@jhall.co.uk> writes
>>On 26/12/2025 11:51, J. P. Gilliver wrote:
>>> On 2025/12/26 10:15:24, John Hall wrote:
>>>> On 26/12/2025 02:40, J. P. Gilliver wrote:
>>>>> I have noticed, since the second email, if I leave the laptop unattended
>>>>> for a while (Thunderbird left open [I use POP if that's relevant]), I
>>>>> have one or more "unable to connect to" popup windows when I come back.
>>>>> So far, emails have continued to come and go, but I'm not confident for
>>>>> the future.
>>>>
>>>> It might be worth checking that your Thunderbird is set to use the port
>>>> numbers that Plusnet/Greenly now recommend for POP3 and SMTP.
>>>  I'm using 110 for POP and 25 for SMTP.
>>
>>That document I linked to says 995 for POP and that 587 is recommended 
>>for SMTP although 25 can also be used:
>>
>>https://www.plus.net/help/email-guides/how-to-set-up-plusnet-email/
>
>This seems to be definitive. Has anyone implemented it?
>https://tinyurl.com/3uyvyzm8
>[The original is massive!]

Sorry, On this XP PC, that link doesn't simply the specifically relevant 
bit that my W10 PC shows.
-- 
Ian
Aims and ambitions are neither attainments nor achievements

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#18542 — Re: PlusNet outsourcing

In message <y55HRnCuW+TpFwiq@brattleho.plus.com>, Ian Jackson 
<ianREMOVETHISjackson@g3ohx.co.uk> writes
>In message <nJjC9RCFO+TpFwjl@brattleho.plus.com>, Ian Jackson 
><ianREMOVETHISjackson@g3ohx.co.uk> writes
>>In message <mr7rliFsomgU1@mid.individual.net>, John Hall 
>><john@jhall.co.uk> writes
>>>On 26/12/2025 11:51, J. P. Gilliver wrote:
>>>> On 2025/12/26 10:15:24, John Hall wrote:
>>>>> On 26/12/2025 02:40, J. P. Gilliver wrote:
>>>>>> I have noticed, since the second email, if I leave the laptop unattended
>>>>>> for a while (Thunderbird left open [I use POP if that's relevant]), I
>>>>>> have one or more "unable to connect to" popup windows when I come back.
>>>>>> So far, emails have continued to come and go, but I'm not confident for
>>>>>> the future.
>>>>>
>>>>> It might be worth checking that your Thunderbird is set to use the port
>>>>> numbers that Plusnet/Greenly now recommend for POP3 and SMTP.
>>>>  I'm using 110 for POP and 25 for SMTP.
>>>
>>>That document I linked to says 995 for POP and that 587 is 
>>>recommended for SMTP although 25 can also be used:
>>>
>>>https://www.plus.net/help/email-guides/how-to-set-up-plusnet-email/
>>
>>This seems to be definitive. Has anyone implemented it?
>>https://tinyurl.com/3uyvyzm8
>>[The original is massive!]
>
>Sorry, On this XP PC, that link doesn't simply the specifically 
>relevant bit that my W10 PC shows.

Ah - it looks that the browser needs to be in the AI Mode, which you 
don't get in the older version of Firefox (required for XP on this PC). 
This is what it says. [I've Tidied it up a bit. I hope I haven't 
mis-edited any bits.]
....................................................

Plusnet Email Stunnel Configuration

To use
Stunnel as a secure proxy for Plusnet email (allowing legacy email 
clients to connect to Plusnet's TLS-secured servers), you must configure 
your stunnel.conf file to map local ports to Plusnet's remote servers.
As of 2025, Plusnet is migrating its email services to a new platform 
called Greenby, but standard server addresses remain functional for many 
users.
Plusnet Stunnel Configuration Example
Add the following blocks to your stunnel.conf file. This configuration 
assumes you want your email client to connect to localhost (127.0.0.1) 
on standard non-secure ports.
ini
[plusnet-pop3s]
client = yes
accept = 127.0.0.1:110
connect = mail.plus.net:995
verifyChain = yes

[plusnet-imaps]
client = yes
accept = 127.0.0.1:143
connect = imap.plus.net:993
verifyChain = yes

[plusnet-smtps]
client = yes
accept = 127.0.0.1:25
connect = relay.plus.net:587
protocol = smtp

Use code with caution.
Required Plusnet Server Details
When setting up the "connect" lines in Stunnel, use these official 2025 
settings:

Incoming (IMAP): imap.plus.net on port 993 (SSL/TLS).
Incoming (POP3): mail.plus.net on port 995 (SSL/TLS).
Outgoing (SMTP): relay.plus.net on port 587 (Requires STARTTLS).
Note: In Stunnel, for port 587, you must include protocol = smtp to 
handle the STARTTLS negotiation.
Email Client Settings
Once Stunnel is running, configure your legacy email client with these 
"local" settings:
Incoming Server: 127.0.0.1 (or localhost)
Incoming Port: 110 (for POP3) or 143 (for IMAP)
Outgoing Server: 127.0.0.1
Outgoing Port: 25
Security/Encryption: Set to None or Plaintext (since Stunnel handles the 
encryption between your PC and Plusnet).
Authentication:
Username: Your full Plusnet email address (e.g., 
username@yourdomain.plus.com) or username+mailboxname for secondary 
mailboxes.
Password: Your standard Plusnet account password.
Troubleshooting Tips
Certificates: If you encounter certificate errors, ensure you are using 
relay.plus.net instead of smtp.plus.net, as the latter may not match the 
security certificate.
SMTP Authentication: Plusnet requires SMTP authentication even when 
connected via Stunnel if you are sending from a non-Plusnet internet 
connection.
Would you like help generating a specific stunnel.conf file for a 
different operating system, such as Linux or macOS?
AI responses may include mistakes. Learn more

Email settings - Plusnet Community
After a prolonged "discussion" with the Complaints Dept. at Plusnet the 
following settings have been advised: 2. Edit the SMTP Ser...

Plusnet Community
Trouble setting up my plusnet emails accounts
In summary the settings should be... * IMAP: imap.plus.net port 993 
encryption SSL/TLS. * POP3: mail.plus.net port 995 encryption ...

Plusnet Community

email set up - Plusnet Community
Re: email set up * SMTP server is relay. not smtp. as guessed by 
Outlook, which will work, but is not in the security certificate.

Plusnet Community
-- 
Ian
Aims and ambitions are neither attainments nor achievements

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#18541 — Re: PlusNet outsourcing

On 2025/12/27 13:47:49, Ian Jackson wrote:
> In message <mr7rliFsomgU1@mid.individual.net>, John Hall 
> <john@jhall.co.uk> writes
>> On 26/12/2025 11:51, J. P. Gilliver wrote:

[]

>>>  I'm using 110 for POP and 25 for SMTP.
>>
>> That document I linked to says 995 for POP and that 587 is recommended 
>> for SMTP although 25 can also be used:
>>
>> https://www.plus.net/help/email-guides/how-to-set-up-plusnet-email/
> 
> This seems to be definitive. Has anyone implemented it?
> https://tinyurl.com/3uyvyzm8
> [The original is massive!]

It wouldn't surprise me if Greenby have different settings, but old
webpages on the plusnet site still have the old numbers.

On the other hand:
1. I don't think I've seen any of the "unable to connect" popups today
2. AFAIK, mail is still coming and going

so _maybe_ PlusNet/Greenby between them have fixed something.

-- 
J. P. Gilliver. UMRA: 1960/<1985 MB++G()ALIS-Ch++(p)Ar++T+H+Sh0!:`)DNAf

"On the whole, I'm in favour of the state getting out of people's
lives, but I would not have a problem with voting being made
compulsory. But if you did that, you'd have to have a box for
'None of the above'." - Jeremy Paxman, quoted in RT 2015/5/2-8

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