[Sync] Are emails deleted from the web if I set up IMAP/POP3 and check Kakao Mail?
Emails in Kakao Mail are not deleted, even if you connect to email programs such as Outlook through IMAP or POP3 and check emails.
However, if you connect with IMAP and delete an email in the email program, the email will be deleted from Kakao Mail. If you use POP3 to connect the account to the mail program and do not check "Save copy in the server" in Settings or do not use "Save original in Kakao Mail" in Kakao Mail's POP3 settings, then emails retrieved with POP3 will be moved to Trash.
Please check the settings when using POP3.