Hi Guys,

Just wanted to settle an argument with a colleague.

I'm using a 3rd party business application that uses extended MAPI to generate and send simple emails via SMTP (To, Subject, Message Body and attachment) in Outlook with things like invoices, remittances attached. The problem I'm having is that the date header is missing from emails generated this way. This results in a number of emails being rejected as spam by certain email servers (Error 552 - no date header....)

My question is then who is responsible for ensuring these emails are RFC2822 compliant?(ie include the origination date in the header) The MTA, MUA or the 3rd party business application? I suspect the business app, but my colleague insists the MUA, as the date can only be known when the command to send (ie pushing the send button) is made.

Thanks in advance

Andy.