Google had setting for "Less secure Applications" which is mentioned in this link.
They do not have it now.
So I don't think POP3 will works with GMAIL SMTP.

>What is "Less Secure Apps"? I wonder if my Outlook (part of the MS 365) is such an application.
>
>>I'm not sure that this link is helpful, because Google stopped Less Secure Apps from 1st of June this year.
>>
>>
>>>Thank you.
>>>
>>>>I ran into this problem about a month ago. Tried a bunch of different things to get POP to work again but never was able to get it going again -- finally resorted to changing ti IMAP. I spent a fair amount of time googling and tried a bunch of suggestions. Hopefully someone has an answer for this as I prefer POP3 or IMAP too.
>>>>
>>>>Might make sure you have this done...
>>>>https://support.google.com/googlecloud/answer/10661442?hl=en#:~:text=If%20it's%20been%20a%20long,it%20is%20not%20already%20enabled.
>>>>
>>>>
>>>>>Hi,
>>>>>
>>>>>Since this morning, my Outlook does not connect to Gmail accounts.
>>>>>
>>>>>Currently my Gmail emails (in Outlook) are set to use POP/SMTP. Do I need/have to change it to IMAP?
>>>>>
>>>>>TIA