" but because of restrictions on those accounts, we use third-party services such as Skype, Telegram, and Gmail.
There used to be restrictions but now you can send message to newbie (assuming you are not aware about it yet). You need new settings in your Personal Message Options page https://i.imgur.com/VEalxJT.png1. Click
2. Click
3. Make sure it's checked, and
4. Finally click Change profile.Suggestion
I can add newbie accounts to my Pm whitelist where I "only me" can send more messages to this account. [Other accounts will not be affected by this list]
Unfortunately it's both way not one way only for you.
Sorry my bad, I did not understand the OP correctly. I thought something else instead of this...
I never encountered this
New PM limits topic though.