Q: What does it mean, email address not a valid mailbox?
A: When entering your email address and password to connect to an email service, you may get this error message:
Ooops! Email address not a valid mailbox
This means the email address you entered is probably not correct.
- You most likely mistyped it.
- Otherwise your email account or mailbox may have been suspended by your provider.
Speaking Email attempts to connect to your mail server using IMAP protocol. If an error is returned we then check whether your email address appears to be valid by using an email validation system (SMTP lookup and deliverability test). Only if our test reports that this email address is not a valid mailbox then we show this error.
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