How to allow distribution group to receive emails from external emails ?
hello, after few hours of searching such "checkbox" found nothing. the checkbox in "delivery management" senders inside , outside of organization checked. how manage in proper way ? thanks, br, dimitriy <input aria-labelledby="resultpaneplaceholder_editmailgroup_deliverymanagementsection_contentcontainer_rblrequiresenderauthentication_1_label resultpaneplaceholder_editmailgroup_deliverymanagementsection_contentcontainer_rblrequiresenderauthentication_label resultpaneplaceholder_editmailgroup_deliverymanagementsection_contentcontainer_rblrequiresenderauthentication_fvaspan" id="resultpaneplaceholder_editmailgroup_deliverymanagementsection_contentcontainer_rblrequiresenderauthentication_1" name="ctl00$ctl00$resultpaneplaceholder$editmailgroup$deliverymanagementsection$contentcontainer$rblrequiresenderauthentication" style="font-family:'segoe ui wpc regular', 'segoe ui', tahoma, 'microsoft sa...