3 Jul
2013
3 Jul
'13
3:27 a.m.
On 3.7.2013, at 4.21, John Fawcett john.ml@erba.tv wrote:
dnsbl's are a popular method to prevent listed ips from making connections to mta software.
cf. postscreen_dnsbl_sites in postfix
Would it be possible to introduce such a feature in dovecot, so that connections can be denied based on a dnsbl lookup (where the precise dnsbls used are configurable)?
You're talking about IMAP/POP3 connections?
Possible, yeah .. possibly even without code changes by using tcpwrappers.