POP Mail Connector in Boomi works with Gmail account to retrieve attachments for processing, but when mail is left on the server (not deleted), the mail can not be re-retrieved.
Within the Gmail account settings, emails are to keep as unread after accessed with POP:
- Within Gmail, click on the gear icon in the upper-right and select Settings
- Click on the Forwarding and POP/IMAP tab:
- Under POP Download, Enable POP for All Mail and select 'keep Gmail's copy in the Inbox':
- At the bottom, click on Save:
Gmail POP will only download once, but you can used this method to get the last 30 days emails: