With out knowing which ones can not say and I would think no. Yet strange things have happened.I have some, but it wouldn't unterfear with that would it?
https://chrome.google.com/webstore/detail/gmail-auto-follow-up/omlanehmflpiihaadkghlgnbocimgokm?hl=enThe arrow means auto followups is off
Gmail Auto Follow Up is a Google Chrome Extension that helps you follow up with your clients or prospects. Just set up a sequence of emails to send to your prospects over time from your Gmail.
https://chrome.google.com/webstore/detail/email-tracking-for-gmail/ndnaehgpjlnokgebbaldlmgkapkpjkkb?hl=enApparently the eye sign means track opens and clicks on
Mail Tracking free forever and unlimited. Add double check marks (✓✓) to your Gmail.
Know when your emails are opened.
Mailtrack is an email tracking extension for Gmail that lets you know if the emails you’ve sent have been read or not.
I've just added auto followups extention thanks, and the email tracking. Does the email tracking tell you if an email has been recieved?
From what the information provides in the above link would be yes. From my interruption of the information.