To set up your Postbox to work with Gmail:
- Enable IMAP in Gmail
- Sign in to Gmail.
- Click the gear icon in the upper-right and select Gmail settings at the top of any Gmail page.
- Click Forwarding and POP/IMAP
- Select Enable IMAP.
- Configure your IMAP client and click Save Changes.
- When you first launch Postbox, it should take you to the New Account Setup page. If it does not, or you are adding an additional account, click on File > New >Mail Account
- Provide your Name and Email address, then click Manual Setup
- Enter your server information,
- Incoming Server Name : imap.gmail.com
- Type : IMAP
- Port : 993 or 143
- Security : SSL/TLS
- Outgoing Server Name : smtp.gmail.com
- Port : 25 or 465
- Security : SSL/TLS
- Then click on Finish
- Type your password and press OK
- Now you can check your Gmail using Postbox
