Import of Role Based Email Addresses not Allowed
MailPoet does not allow importing email addresses that are used by groups for administration, accounting or management purposes.
These addresses are known to have little engagement and thus affect poorly on deliverability.
You can add them individually instead in Subscribers > Add New, if you are sure they are engaged readers.
The full list of role based email addresses that are ignored on import:
abuse@ compliance@ devnull@ dns@ ftp@ hostmaster@ inoc@ ispfeedback@ ispsupport@ list-request@ list@ maildaemon@ noc@ no-reply@ noreply@ null@ phish@ phishing@ postmaster@ privacy@ registrar@ root@ security@ spam@ sysadmin@ undisclosed-recipients@ unsubscribe@ usenet@ uucp@ webmaster@ www@