Why am I unable to permanently delete emails on gmail or Yahoo on my Nokia Lumia 620?

[Windows Central Question]

After tapping left on my Inbox for Gmail or Yahoomail, I delete the ticked emails by tapping the bin, and they vanish. But when I later check the same email account/s on my PC, the same 'deleted' emails are still shown in the Inbox. How do I erase my chosen emails on the Nokia Lumia phone?

 

[TechFreak1]

1) Are using pop3 (with a copy to retain on the server), imap4 or exchange?

2) Do you have the same issue with outlook.com emails?

Only imap4 and exchange sync both ways, pop3 does not.

 

[RumoredNow]

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