For Mailroom access or sign-in help
Include the invited email address and the exact error message. Never include a password, temporary password, authenticator code, MFA recovery material or mailbox credential.
For product or billing questions
Describe the repeated inbox job, provider and desired result. The current hosted beta is limited to one invited owner and one approved Hostinger mailbox.
For security reports
Use synthetic evidence and the responsible-disclosure guidance. Do not test against real email, another person's account or production credentials.