Instructions to deal with two indistinguishable Gmail letter boxes

This is a bizarre bug identified with heritage bolster in Gmail and numerous mail chronicling administrations for POP (Post Office Protocol) mail. IMAP (Internet Message Access Protocol) created with POP, however it is viewed as more present day, in spite of the fact that there are numerous constraints and irregularities.

The reasonable outline of POP and IMAP is that POP does not collaborate with the mail server to oversee mail envelopes or put away mail; Instead, it can recover a duplicate or erase the message remotely. IMAP can imitate mail structure on the mail server and synchronize changes, for example, erasing or moving mail starting with one letter box then onto the next. In the event that you need to go further, it's an endless sea. A few organizations are attempting to supplant IMAP with a more vigorous and develop convention.

What appears to have happened - conceivably because of the way that the discretionary Internet Account System and related parts of OS X deal with your email, contacts, interpersonal organizations, and different records - that you have copy settings. for email, one for POP and one for IMAP. Check the choices sheet to ensure you have just a single passage for your Gmail account. On the off chance that there is a duplicate, erase it.

In Mail, you can likewise debilitate accounts - erasing records can cause different issues, and I would prefer not to propose that as the initial step. Rather, debilitate the POP record.

1. Select Mail> Preferences. 
2. Snap Account. 
3. Select the Gmail account that showcases Account Type: POP in the Account Information tab. 
4. Uncheck Enable this record. 

Contrast in the quantity of messages amongst POP and IMAP is relatively sure on the grounds that IMAP mirrors your server index structure while POP is more likely than not just open from your primary inbox. IMAP will include all messages all organizers; POP, just in the registry to.