SASL authentication failed; cannot authenticate to server smtp.server.net[52.75.xx.x]: generic failure
If you are trying to send mails through Postfix using SMTP credentials and you are getting above error, here is the solution for you.
You need to add the following line in the file /etc/postfix/main.cf
I am assuming, you have added following parameters in main.cf file already.
If you are trying to send mails through Postfix using SMTP credentials and you are getting above error, here is the solution for you.
You need to add the following line in the file /etc/postfix/main.cf
smtp_sasl_mechanism_filter = login
Restart postfix.I am assuming, you have added following parameters in main.cf file already.
relayhost = [smtp.server.net]:587 smtp_sasl_auth_enable = yes smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd smtp_sasl_security_options = smtp_tls_CAfile = /etc/postfix/cacert.pem smtp_use_tls = yes