Can I do that if I have an email account as well or is the transaction one-way,
regular money to Dolz, if I have an email account?
An E-Mail can be compared like a Post Card, and will be always sent visible and decrypted to everyone,
like you would throw a Post Card without an Envelope in a Mailbox to another person.
People with a certain Tech Level can simply catch up E-Mails sent every day on the Net to read them,
believe it or not it is possible.
There are ways, at least with Thunderbird to Encrypt E-Mails by using an Add On called Enigmail.
https://addons.thunderbird.net/en-US/thunderbird/addon/enigmail/
It seems it uses now OpenPGP instead of PGP from the past or GnuPG.
https://www.openpgp.org/
https://www.gnupg.org/index.de.html
The difference is, it is not using a centralized Platform like Metamask for your Wallet for it,
or any kind of other centralized platform for a Crypto Wallet.
Means, let's say if you want to do a Crypto Transaction or a Transaction with your NFT's
via Mail with another person, you have to know the other person, and exchange with the other
person about that before, to make sure it is secure to do the whole transaction.
Both of you have to use Thunderbird, install the Add On Enigmail, set up a PGP Key
(a private and a public one), share then the public Key with the other person, and of course never
ever share your private Key, to now have a way to send encrypted Mails with the other person.
But like i said, this is all happening between two people only, and while everyone has
a unique private and public PGP Key once it's created, it is also called End to End encryption.
Also each created PGP Key has an expiration date and can be specified during the setup, but
once you forgot to expand your Key, all the content (Money and NFT's) are lost once and for all,
and can never be recovered.
Because your PGP Key pair can be compared with your personal Fingerprint, and while no one out
there has the same Fingerprint.
The expiration of your PGP Key (the private and the public one) can be set to never of course,
but this is not a secure and recommended way to setup a PGP Key pair, if you want to do it the
proper way and from scratch.
This is all a quiet tedious process for all the Crypto users out there, and also the reason why centralized
platforms like Metamask exist, to make this whole process more convenient for all the Customers.
This was all very rough broken down from me, but i think it should be understandable
why it is a bad idea, or let's say not convenient enough to do this via E-Mail.
EDIT: One more important fact i forgot, the E-Mail is the oldest and most insecure form of
Communication on the Internet.
For that reason the Encryption of your Wallet (like Metamask for example) is already established.
All you have to do is to create a Password (a safe and secure one of course) and to not forget about
your personal Seed phrase which is also acting like your own personal Fingerprint.
The difference to your PGP public Key is, your Password and your personal Seed phrase
should always stay with you and never ever be revealed or shared with anybody.
Otherwise all the Content of your Wallet is lost forever to another person.
