My domain host's server is blocking my IP address every few days

At the moment I am OK but that may be because my domain hosting and mail service provider has white listed my current IP address. The problem may arise again because my IP address is dynamic, not static. What criteria BT use to change it I don't know. I suppose if my modem resets for any reason or loses connection temporarily that will do it. From what you say, using VPN introduces a new IP address so that may cause an issue as I lose the current white list protection.
At the moment I think my PC must be to blame. Laptop is rarely used and lock outs have occurred when it was off, phone is new and problems pre-date its purchase. My wife's PC has never been used to access my mail so that is out to. I've reset my email so currently in a "wait and see" condition! The main thing is that I can't change my email address as that would cause too many repercussions.

Edit - Sinto - you are welcome to log on to my PC if you think it would help, or we could wait and see it the problem raises its head again. Usually happens once or twice a month so worth waiting - I've had about 10 days clear so far (maybe shouldn't have said that!).
The 12 hour time differential between us doesn't make it easy even for two insomniacs!

Sigurd said:

At the moment I think my PC must be to blame.

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Yes.

Sigurd said:

The main thing is that I can't change my email address as that would cause too many repercussions.

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Yes. It’s too old and would take a lifetime to reestablish a new one.

You could get your ISP to give you a static address, but it's small outfit and they may not be able to. Also there would likely my be a cost

The ISP is British Telecom - not small, arguably too big, and inefficient in many people's opinion. YNH is just the domain host and the email addresses. And my main email address has been on the go since shortly after YNH started up in 1999. And it's not just the email address that is too old.
Do not be misled by my photo. That too is too old!

Sigurd said:

YNH is just the domain host and the email addresses

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I had the two confused

Just when you thought it was safe to go back ....... the lock out jaws seize my domain again. About 9 - 10 day without problems and then I get locked out. YNH unusually haven't responded yet, so I can only assume it is the same old problem. Something or more unlikely someone was trying to log in to my email server using my 20 plus year old email name and evidently using my IP address.
So a bit of a recap on questions and actions,
I their log files show my IP and email address then the attempts to log in to my mail server must be coming from my house. Correct?
If this the case, it must be my PC, my wife's PC, my phone, her phone or my Smartwatch. Nothing else was powered up this afternoon when the lock out occurred.
So my options are -
Identify the the app - apart from Outlook what could it be. Microsoft Office apps other than Outlook don't try to access email. Correct?
I don't run any other apps that have email communication function.
System files - I have no idea if any do, but why would they.

Failing to identify a culprit amongst my PC apps, my options seem to be
Get a static IP address. Possible but there may be a charge. Any other drawbacks?
Clean out the PCs and load everything afresh - not very practical and it doesn't exclude phone or watch as a culprit!
Get a new email address and possibly domain. I can't drop the domain as the village uses it for their web site which I manage.
A new email address after using it for 20 plus years would create all sort of problems for me and to lose contact with people.

What else. Grin and bear it?

Hi, Ian. I can’t really help anymore as I would just be typing in circles. I have offered to connect with you via Assist, short of that, getting a static IP is putting a bandaid on an open heart surgery incision (Dr speak you understand)

Sigurd said:

So my options are -
Identify the the app - apart from Outlook what could it be. Microsoft Office apps other than Outlook don't try to access email. Correct?

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There is very “possibly” more than one Outlook or mail program on your PC. This is something I wanted to inspect.
As mentioned earlier on in this thread, if you have setup your email account (unknowingly) in the wrong Outlook or mail app in the past, and if the settings have since changed, then it could be checking mail in the background with the wrong protocol or password.
This is entirely possible due to the history with your ongoing email posts and some confusion.

Also, when I connected and we setup the POP and you later removed it, I don’t know what else was possibly done in the process.

PM me if you like.
Warm regards, Ian.

Fingers crossed, Ian

A very useful on-line session which we hope will have solved the issue. Many thanks to Sinto who has stayed up late t help me! (10 hour time difference). Well deserved 10 points.

Always a pleasure, Ian

It was only 10PM here, I’ll be up until 3am as per usual Then into bed and up again at 6.30 am lol

For anyone interested.

IMO The problem really is due to Microsofts most creative naming process for Outlook, there were two versions of Outlook with the same email account.

This normally wouldn’t be a problem, unless one has a wrong password or protocal settings in it.

But maybe unbeknown to Ian, is that the “Windows native app New Outlook” possibly had the wrong email account settings or password and it checks for mail in the background.

Ian prefers the “Microsoft 365 Classic Outlook”
So if 2 Outlook apps are running at once, one he is using and one as a background process, and the background process has the wrong information, there may lay the issue.

I really hope removing Windows New Outlook will fix this ongoing and frustrating issue for “Sigurd”

It could also be plausible that the server didn’t appreciate two simultaneous connections looking for mail at the same time and took it as flooding, hence the IP block.