I'm getting this message whenever I try to send an email or reply to an email from a POP email address.
Also, I want to note, that I do have other email addresses that are able to send and reply with no issue, so I assume it has something to do with a particular account or outgoing mail server.
Also, I want to note, that I do have other email addresses that are able to send and reply with no issue, so I assume it has something to do with a particular account or outgoing mail server.