What Does "Invalid Recipients" Mean on Facebook?
What Does "Invalid Recipients" Mean on Facebook?. Regardless of whether you are trying to contact prospective customers on Facebook or messaging colleagues, getting an "invalid recipients" message alerts you to a situation in which Facebook cannot or will not deliver your message. The cause of the ...
... on Facebook or messaging colleagues, getting an "invalid recipients" message ... and your email server can't send a message to an address that doesn't exist; ... deactivated his account, then Facebook will consider him an invalid recipient.