David Touzeau: > Le vendredi 25 mars 2011 ? 08:23 -0400, Wietse Venema a ?crit : > > David Touzeau: > > > So is there a tips/HOWTO in order to reject messages that store more > > > than 50 emails addresses in BCC header > > > or > > > it is not possible ? > > > > The Postfix cleanup daemon does not care how many recipients are > > in the BCC header. > > > > If you submit mail with an SMTP client, the recipients are sent > > with the RCPT TO commands. > > Many thanks weitse for this clarification so is > > the only way to block the recipient number is to play with > > smtpd_recipient_limit or smtpd_recipient_overshoot_limit
The RFC for SMTP requires that an SMTP server accepts at least 100. You may lose legitimate mail if you set a lower limit globally. If you want finer control over recipient rates, use a policy daemon. http://www.postfwd.org/ http://www.policyd.org/ Wietse