On Fri, 2010-01-29 at 15:02 +0000, Always Learning wrote: > One of our Exim servers has rejected an Exim mailing list email because > it had no 'To:' header. > > Should the mailing list always insert a To: header if one is missing ?
RFC 2822 says: The only required header fields are the origination date field and the originator address field(s). All other header fields are syntactically optional. So only the Date: and From: headers are required, the To: header is optional. -- Chris -- ## List details at http://lists.exim.org/mailman/listinfo/exim-users ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://wiki.exim.org/
