I recently added my email account to an IMAP client, and everything seemed fine at first. However, after synchronization, some older emails started disappearing from my inbox. They are still visible when I log in through webmail, so I’m not sure whether the issue is with the email server or the email client. I’ve already checked the Trash and Spam folders, but I couldn’t find the missing messages. Could incorrect synchronization settings, filters, or another device using the same account be responsible? I also came across the BitRecover blog on IMAP emails disappearing, which explains several possible causes and troubleshooting methods.