Thank you for your reply! Is there any plans to implement to "Expires" header as Postfix feature? It is defined in RFC-5536, and sometimes others MTA has that feature.
Azusa ----- Original Message ----- > From: Wietse Venema <wie...@porcupine.org> > To: Postfix users <postfix-users@postfix.org> > Cc: > Date: 2019/2/18, Mon 21:46 > Subject: Re: Expires Header(RFC-5536) implementation > > azusa_tar...@yahoo.co.jp: >> Hi, >> I'm trying to implement "Expires" header (Defined by > RFC-5536). >> I want Postfix bounce the expired mails. >> At first, I use content filter to check Expires date is valid. >> >> However, content filtering can be done only one time when into the mail > queue. >> (It can't be done when Postfix resend deferred emails) > > Extract the expiration time from the header and store it as 'named > attribute', just like MAIL_ATTR_ENCODING. Then have the queue manager > read it ffrom queue file just like MAIL_ATTR_ENCODING. > > You may want to do some sanity checks such that Postfix will > not accept mail that is already expired. > > Wietse >
