[systemcluster]

If your email provider does not offer a catchall alias option, this is also achievable with an email forwarder (e.g. mailgun), provided you are ok with giving another service provider access to the content of your received mails.

[manigandham]

Technically most email is not encrypted so every single mail server in the middle also has access.

[mavhc]

If only it were possible to encrypt emails, oh well