On Sun, Apr 13, 2025 at 08:12:26PM -0400, Greg Klanderman via Postfix-users wrote:
> Am I not able to match on the client FQDN in postscreen_access_list? > I.e. using a hash: table? This has little to do with hash tables, but as documented in https://www.postfix.org/postconf.5.html#postscreen_access_list the only supported lookup key is the full IP address, table lookups happen prior to any DNS resolution. > I was hoping I could kill .ip.linodeusercontent.com and other such > garbage very early/quickly and just switched to using postscreen to > implement that.. If you know the associated CIDR blocks, you can use a CIDR table. > Is the only option to turn off smtpd_delay_reject and use > smtpd_client_restrictions? That's an option, or just accept the fact that rejects will happen at RCPT TO, and you'll get better logging of the client HELO, sender and recipient address for any rejected messages. -- Viktor. _______________________________________________ Postfix-users mailing list -- postfix-users@postfix.org To unsubscribe send an email to postfix-users-le...@postfix.org