Hi Wietse, >> Would it technically possible to have a smtpd_to_lmtp_proxy option >> (or however it could be called), that would receive on smtpd and >> open a connection to its LMTP server, doing cleanup and Co. in >> memory and wait for the result of the LMTP server? If the LMTP > > This does not scale. The problem is that you find out if a recipient > is over quota AFTER Postfix has already allocated the maximum amount > of mail server resources. > > The scalable way is to make the quota check BEFORE allocating more > mail server resources. As has been suggested many times over the > past 13 years, this means using an SMTPD access map or policy daemon > to block mail for over-quota recipients.
Ok, I can understand that. Thank you very much for this feedback. Kind regards -Christian Rößner -- [*] sys4 AG http://sys4.de, +49 (89) 30 90 46 64 Franziskanerstraße 15, 81669 München Sitz der Gesellschaft: München, Amtsgericht München: HRB 199263 Vorstand: Patrick Ben Koetter, Axel von der Ohe, Marc Schiffbauer Aufsichtsratsvorsitzender: Joerg Heidrich
