Re: Workspace Enterprise Plus ?
@Pascal Monett Why on earth would a user want that privacy destroying receipt functionality activated?
I know Google & privacy are words that do not go together, but (if what you say is true*) not supporting read receipts is a good thing... Saves the user with the slightest privacy concerns the hassle of having to reject read receipt requests!
You would typically* get a "bounce" message if email delivery failed - so if you don't see a bounce after a suitable time then you can assume mail delivered... Though no idea if sent to spam, deleted, read etc,
* A way to be sure would be to use your gmail creds and craft your own message setting the appropriate headers & send the message to someone you know who does have an email system that supports read receipts.
** Or not, may well not get a bounce sending to an email address, depending how server set up.
e.g. email to abc@xyz.com
If "user" abc does not exist then a bounce tells a potential malicious actor that address is invalid and they can continue crafting emails of different "users" and if no bounce then they have been able to work out a "user".
So some servers set up to not send a bounce e.g. abc@xyz.com is NOT bounced even though no abc "user", but internally the emails are discarded except for those emails sent to an actual user.
As most GDPR interpretations regard email address as PII, then this is a defence against leaking genuine email addresses (plenty of scenarios where bad actors will look at company websites, get names of staff and try to elucidate an email address e.g. if employee "Jane Smith" mentioned on website they may try common name based formats e.g. Jane.Smith@xyz.com, Smith.Jane@xyz.com, J.Smith@xyz.com, Smith.J@xyz.com, JSmith@xyz.com etc, etc. typically a whole slew of variants including trying to guess initials, adding numerals etc for scenarios where multiple staff may have same first & last name).
Full Disclosure.
In the past worked on many software systems that involved emails.
Would always get customers excited to be able to enable delivery & read receipts on some emails the system sent out (e.g. they were emailing out invoices and wanted to know if they were being received / read).
They would always be disappointed at the few delivery receipts and the even more tiny amount of read receipts - we had to explain that lots of systems do not send either & of those that do choose to support it, the user will typically be prompted if they want to send a read receipt & will usually say no.
..So in "real world" use email receipts are far less effective than a chocolate teapot (https://www.thenakedscientists.com/get-naked/experiments/how-useless-chocolate-teapot)