When its unimportant or important to the receiver only, you push responsibility to them: "I sent it. Must be your email that's glithced. Tried Gmail or Proton?"
When its important to you, you use your backup Gmail or Proton account.
When its unimportant or important to the receiver only, you push responsibility to them: "I sent it. Must be your email that's glithced. Tried Gmail or Proton?"
When its important to you, you use your backup Gmail or Proton account.