Has anyone had experience with configuring Postfix to allow inbound client SMTP connections from NZ-based IP addresses that have been Policy Block Listed (PBL'ed) by their ISP?
Spark have PBL'ed most or all of their home and small business fibre/*DSL connection IP addresses.
2degrees have PBL'ed most/all of their cellular data IP addresses.
I'm trying to support a user to send email from their cellphone email client.
Angus contacted me with this: "Could let him know that the best way around ISP port 25 blocks is to have Postfix listen on SMTP Submission port 587. Bonus is encryption. If he wants to strip the originating mobile IP entirely... https://serverfault.com/questions/413533/remove-hide-client-sender-ip-from-p..." Cheers, Peter -- Peter Reutemann Dept. of Computer Science University of Waikato, NZ +64 (7) 858-5174 http://www.cms.waikato.ac.nz/~fracpete/ http://www.data-mining.co.nz/