I'm trying to set up SASL to a relayhost to send external email. I've read a hell of a lot and done everything I'm supposed to have done. However our provider won't accept me relaying emails with (we are not on their network, but they say this is ok as long as we auth with SASL):
host mailhost.zen.co.uk[18.104.22.168] said: 550-This is not an open relay. To send through this server you must either be 550 on a Zen Internet IP address or be authenticated over TLS. (in reply to MAIL FROM command)
We agree that I'm not sending the username and password other wise it would either send, or say my username password is incorrect.
The question is, why isn't postfix sending it:
Heres the parts of my main.conf that I think are relevent:
smtpd_helo_restrictions = permit_mynetworks, warn_if_reject reject_non_fqdn_hostname, reject_invalid_hostname, permit smtpd_client_restrictions = reject_rbl_client sbl.spamhaus.org, reject_rbl_client blackholes.easynet.nl, reject_rbl_client dnsbl.njabl.org smtpd_recipient_restrictions = reject_unauth_pipelining, permit_mynetworks, permit_sasl_authenticated, reject_non_fqdn_recipient, reject_unauth_destination, check_policy_service inet:127.0.0.1:60000, permit smtpd_sender_restrictions = permit_sasl_authenticated, permit_mynetworks, reject_non_fqdn_sender, reject_unknown_sender_domain, reject_unauth_pipelining, permit relayhost = mailhost.zen.co.uk smtpd_sasl_auth_enable = yes smtpd_sasl_password_maps = hash:/etc/postfix/sasl_passwd smtpd_sasl_type = cyrus smtpd_sasl_authenticated_header = no broken_sasl_auth_clients = yes smtpd_sasl_security_options = noanonymous smtpd_sasl_local_domain =
of couse I've set the password in sasl_passwd and postmapped it. Here's some of the resources I've been using are:
Would be great is anyone has any other suggestions :)