nameOnly: copy recipient1, copy recipient2, copy recipient3, copy recipient4, copy recipient5, copy recipient6
isSet:
fullAddress: copy recipient1 <ccspam1@example.org>, copy recipient2 <ccspam2@example.org>, copy recipient3 <ccspam3@example.org>, copy recipient4 <ccspam4@example.org>, copy recipient5 <ccspam5@example.org>, copy recipient6 <ccspam6@example.org>
str: copy recipient1 <ccspam1@example.org>, copy recipient2 <ccspam2@example.org>, copy recipient3 <ccspam3@example.org>, copy recipient4 <ccspam4@example.org>, copy recipient5 <ccspam5@example.org>, copy recipient6 <ccspam6@example.org>
expandable: copy recipient1 <ccspam1@example.org>, copy recipient2 <ccspam2@example.org>, copy recipient3 <ccspam3@example.org>, copy recipient4 <ccspam4@example.org>copy recipient1 <ccspam1@example.org>, copy recipient2 <ccspam2@example.org>, copy recipient3 <ccspam3@example.org>, copy recipient4 <ccspam4@example.org>, copy recipient5 <ccspam5@example.org>, copy recipient6 <ccspam6@example.org>
expandableTO:
invalid: