* on the Fri, Oct 24, 2014 at 05:09:21PM -0400, Wietse Venema wrote: >> If a user attempts to send more email than they are allowed to and the mail >> server starts rejecting it and the users code doesn't handle this case, then >> from the shared hosting companies point of view, it is a problem at the >> users end. > > In that case, Postfix can require that the SMTP client uses PHP's > SASL support to authenticate, and with postfwd, Postfix can rate > limit the sender based on SASL credentials and other attributes. > > No need to switch mail servers for this. SASL-based rate limits > have been supported since Postfix 2.2, and postfwd has been around > for many years (other policy daemons may also do the job; I > have lost count).
That sounds like a fine solution. -- Mike Cardwell https://grepular.com https://emailprivacytester.com OpenPGP Key 35BC AF1D 3AA2 1F84 3DC3 B0CF 70A5 F512 0018 461F XMPP OTR Key 8924 B06A 7917 AAF3 DBB1 BF1B 295C 3C78 3EF1 46B4
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