thank you Noel. so simple :-) and it works. regards, Wojtek
Noel Jones wrote: > On 7/12/2010 8:59 AM, Wojtek Bogusz wrote: >> hi, could you please help me to understand is this possible with postfix >> configuration: >> >> i have postfix installed on the gateway computer and also on the >> internal mail server. >> the internal mail server accepts emails only from LAN addresses and does >> not require authentication from users to send email using local address >> in 'from' field. >> gateway does require authentication and is using SASL and TLS and >> accepts email also from outside LAN. >> >> my problem is that there is lots of spam delivered using local address >> both in 'to' and 'from' fields. i can use >> "reject_unauthenticated_sender_login_mismatch" in main.cf on the gateway >> as in: >> >> smtpd_sender_restrictions = check_sender_access >> hash:/etc/postfix/sender_access, reject_non_fqdn_sender, >> reject_unknown_sender_domain, >> reject_unauthenticated_sender_login_mismatch >> >> but than all the emails from internal email server are being rejected, >> as they come not authenticated. >> >> is there any setting that would make postfix allow sending messages with >> local address as 'from' on connections from LAN IP and request >> authentication on all emails coming from outside IP when using local >> address in 'from' field? >> >> i am not sure i manage to explain myself well. please let me know. >> cheers, Wojtek >> > > Use "permit_mynetworks" before > "reject_unauthenticated_sender_login_mismatch" > > -- Noel Jones
