Re: Authentication query

[Nick Howitt]

On 16/01/2016 15:15, Benny Pedersen wrote: Nick Howitt skrev den 2016-01-16 15:48: reject_rhsbl_sender, dsn.rfc-ignorant.org rfc domain is gone to dev/null see rfc-ignorant.de Thanks. Removing. I send mail to the outside world using smtps via stunnel. why complicate things ? Because I have a dynamic (quasi-static) IP so I relay via my ISP who insisted on SMTPS. SMTPS has only been introduced into postfix recently and is not available for my distro. Having said that I may remove stunnel/SMTPS as the ISP backed down and now allows SMTP on port 25 Is it possibly to stop anyone outside my LAN who tries to authenticate on port 25? For example: sure disable smtp auth in main.cf, and enable with overrides on smtps and submission in master.cf do not disable starttls