i have the solution and unintentionally it happened to me.
the problem is the registration date and the ip.
the robot monitors the inflow of logins, compares the registration emails and makes a comparison with previous accesses.
i do not recommend using a vpn.
sorry i couldn’t get a video.
but simply, if you want to change your email and you already have a subscription, verify that in your lan network you don’t have other clients using the same services in the last 24 hours. and another important thing.
the new email has location information, it is recommended that it has the same location information preferably.
i changed my email using a VPN and it did not work, i had a paid account.
I had problems and could not log in for 24 hours.
But within the same IP range, without VPN I tried again and it worked.
I recommend that you check your LAN to make sure that there are not too many devices connected to similar networks.
You can do a tracert from windows or a line scan, from any site that does online analysis of your real ip. it will give you your IP with which you are going out to the internet and the devices connected.
Finally, when you make that change, don’t take the focus off the browser until you finish the process. in other words, the JS will detect if you are changing applications. i still don’t understand it well, but that data is stored in a variable and i think it influences the result.
Not sure this will help, but from previous experience with mail extensions that send mail to unix smtp servers, I did find that some confuse the command “Mail From” with the command “From” in the SMTP protocol.
The From command is required in SMTP, but is often left off.
On SysV (solaris, Sun, IBM, etc) it doesn’t matter as they just warn about it, but on HP UX they deny emails and then put a line in a mail server log…
HP UX admins tends to remove these warnings from logs using cron and sed to keep the log sizes down so they aren’t seen.
Have you tried capturing what is sent to port 25 on the SMTP servers?
Is there a Mail From command but not a From command?
Are the users being blocked all on UX mail servers and the users getting thru using SysV mailservers?
Not sure it will help you. It would be pretty hard to duplicate your error without knowing your system setup and having access to the servers used…
contl+shift+i (open inspector) and search for mail address. → Change address and send form
this way would be with intention - the user must have changed the data intentionally.
A way without minipulation was not possible