Suprise Migration to Greenby

[#1]

Following on with ongoing issues with legitimate emails being directed to my junk folder, I decided to call PN support.

They told me I had been migrated to Greenby on or around 20 Jan(!!) This came as something as a surprise as I had no communication about this migration - no email with details of the Greenby portal nor about changing your password.

I was directed to the [Greenby] portal where I logged in with my username and my PN password (which worked) and I could see their version of webmail. I've turned off the spam settings so we'll see if the junk email problem goes away.

In the mean time - some questions if anybody is able to assist

• How come I can still log into PN webmail (https://webmail.plus.net/) where I can access my mail and update the usual settings?
• I'm unable to send any emails to Gmail from my name@username.plus.net account. No bounce back from gmail
• Anybody know how to set Greenby webmail to show message body in a window below the list of emails? I've tried but failed to see any window/pane config settings

Thanks!

[#2]

This begs the question: 

How does one tell if the email accounts have been migrated to GreenBy ?

[#3]

I was told my account would be migrated on or after the 16th February.

I got my welcome to Greenby email today.

Brian

[#4]

Same here

[#5]

For reference, I was told on 15-Dec and 16-Dec that I will be migrated after 19th Jan, but was not migrated until 3rd March. 

I heard from someone else on the forum that whatever date they give you + about a month appear to be typical. 

regards,

Simon

[#6]

The OP in this post did not see an email notifying of the migration to GreenBy,
so we can not rely on that method.

Are there any Sever Names / IPs in the message header / message source
or DNS Record changes give away the email are arriving via GreenBy ?

[#7]

@PhilipHeyes for a non-migrated account the mail would still be received from the Plusnet avasin servers 

so looking at the headers, the delivery will show something like

Received: from [212.159.14.21] (helo=avasin-peh-001.plus.net)

whereas a migrated account the headers will show something like

Received: from mail.enmail.co ([192.168.121.162]) 
 

[#8]

@MisterW 

Now I am confused !

Below is the start of the message source from the most recent email, it contains both forms.

Envelope-to: abc.me@domain.plus.com
Delivery-date: Thu, 05 Mar 2026 09:30:15 +0000
Received: from [84.93.230.243] (helo=avasin-ptp-007.plus.net)
	  by inmx-ptp-001.plus.net with esmtp (PlusNet MXCore v2.00) id 1vy527-000DUA-JZ 
	  for abc.me@domain.plus.com; Thu, 05 Mar 2026 09:30:15 +0000
Received: from mail.enmail.co ([91.204.208.8])
	by Plusnet Cloudmark Gateway with ESMTP
	id y51avvRGBl3NFy51av9sGP; Thu, 05 Mar 2026 09:29:42 +0000
X-CM-Score: 0.

[#9]

@PhilipHeyes its the final delivery that's significant.

Unfortunately you will see mail.enmail.co in both migrated & non-migrated mail since that's the greenby proxy and all mail is routed initially via that.

Having looked a bit more at the headers maybe

Received: from mail.enmail.co ([91.204.208.8])
	by Plusnet Cloudmark Gateway with ESMTP

 is more definitive. If mail is going to the Plusnet Cloudmark gateway from the proxy, then its a non-migrated account

Also , for the migrated mail , you will note that the mail.enmail.co is showing a private (192.168...) address as the mail is routed internally in the Greenby network

[#10]

@MisterW

Thank you for the clarification.

I was deeply concerned by this thread as the OP has reported not receiving migration to GreenBy notification email.

For us with an email only Plusnet account it is critical we know when the migration occurs
in order to promptly start the payments and avoid loss of our long held email accounts.

[#11]

@PhilipHeyes I'd be pretty sure that the notification email is actually sent. However, as we all know, that doesnt guarantee that its received!

My guess (and its just a guess) is that some people dont routinely monitor the contact email address and/or it goes to the default address which they dont normally use and have no catch-all active. 

[#12]

OP here. I regularly check my email, and I can say with 100% confidence no email was received.

[#13]

---

@PhilipHeyes wrote:

This begs the question: 

How does one tell if the email accounts have been migrated to GreenBy ?

---

I suggest that the easiest way to see if incoming mail has been migrated to Greenby may be to simply to look for an Envelope-To header. If it exists, then it has come from Plusnet.

Greenby, in their 'wisdom' have replaced that standard header, containing the actual email address from the envelope data, with two others:

• A Delivered-To header containing the mailbox address that the email was delivered to, which is NOT the email address.
• A non-standard header X-Original-Recipient, which seems to contain the actual email address from the Envelope data that Envelope-To used to contain.

Note that some outgoing mail from migrated accounts is currently still being handled by Plusnet, seemingly depending on brand.

[#14]

@mavison good point, I'd forgotten about that little nugget

[#15]

A Delivered-To header has appeared in my emails over the last few days. I assume this means I've also been moved to Greenby., although I've had no confirmation from them and cannot log in to the Greenby web site.