If you have a Zoho Mail email account, occasionally it might seem as though an email continues to appear in Mailbird, even though you deleted it elsewhere (such as on your phone for example).
Zoho provides guidance on how to rectify this issue if it presents itself - please click here to read their documentation, particularly where they refer to the IMAP Expunge Option, and follow the recommended steps.
Hopefully you have found this article useful, but if you still require assistance, please do not hesitate to contact our Customer Happiness Team by clicking here.