Thanks for your reply wietse so by dkim i can have all mails signed by the same domain actually i have many servers hosted on same domain so i want all of them to be signed by a single domain name when i send mails through them.
On Sat, Jul 14, 2012 at 5:02 PM, Wietse Venema <[email protected]> wrote: > Achal tomar: > > from: Facebook [email protected] > > reply-to: noreply <[email protected]> > > to: Achal Tomar <[email protected]> > > date: Wed, Jul 11, 2012 at 6:57 PM > > subject: Abhishek Awasthi tagged a photo of you on Facebook > > mailed-by: facebookmail.com > > signed-by: facebookmail.com > > > > This is details of mail i received from facebook,here mailed-by: and > > signed-by: headers are same this is important for mail authentication. > > I also want to implement this in my postfix mail server is there any > method > > to achieve this. > > DKIM implements signing and verification. > > http://www.ietf.org/rfc/rfc6376.txt > > With the Postfix Milter interface: > http://www.opendkim.org/ > http://www.postfix.org/MILTER_README.html > > With the amavisd-new content filter: > http://www.ijs.si/software/amavisd/amavisd-new-docs.html#dkim > > Wietse >
