Create a PerfexCRM check-email module, allow setup IMAP profile by admin.
And then admin creates IMAP email info for each staff. Or modify from below module:
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Auto match sender’s emails with customer email address, to show as a menu item inside of the customer page. Also check the bounce back, display notice of customer page.
The plugin is required to support below
1. Support theme
2. CSRF token protecting
PS:The plugin was let staff self setup the mail. we need to change it admin setup it. for security reason.
For bounce back it let staff know customer was have bounce back their email.