On 6/6/2013 3:47 AM, jayesh shinde wrote: > But now a days few of my users who are using the MS Outlook 2007 > are start sending the emails by changing the different From: > address and creating problem. > The MS outlook have the feature where end user can use any other's > email id in From: For Example see this Delegation - Sending Email > 'On Behalf Of' on > http://isservices.tcd.ie/email/exchange-outlook-usage.php .
Postfix has no mechanism to verify the contents of the From: header. I suppose you could get all BOFH about it and use header_checks to remove the From: header, and let postfix replace it with the sender address. But this isn't a good idea. -- Noel Jones
