when you have your own house postfix mta and you like to send mail over a internet mta than you have to forward your email. relayhost = mail.taragana.com This ensures relaying of emails. Now to configure sending mails with SASL you need to set at least the following: smtp_sasl_auth_enable = yes smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd smtp_sasl_mechanism_filter = plain, login smtp_sasl_security_options = noanonymous The file /etc/postfix/sasl_passwd must contain the login and password which it will use to authenticate itself. It looks like: mail.domain.com username:secret_password Replace mail.domain.com with the domain of your receiving postfix server (MTA). Replace username with a valid user name and secret_password with a valid password. You should create the hash of the map by using: postmap /etc/postfix/sasl_passwd. Restart postfix as follows and you be ready to go: service postfix restart

http://blog.taragana.com/index.php/archive/how-to-setup-postfix-to-relay-outbound-mail-using-sasl/

how to forward, send a mail over smtp with postfix

when you have your own house postfix mta and you like to send mail over a internet mta than you have to forward your email. relayhost = mail.taragana.com This ensures relaying of emails. Now to configure sending mails with SASL you need to set at least the following: smtp_sasl_auth_enable = yes smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd smtp_sasl_mechanism_filter = plain, login smtp_sasl_security_options = noanonymous The file /etc/postfix/sasl_passwd must contain the login and password which it will use to authenticate itself. It looks like: mail.domain.com username:secret_password Replace mail.domain.com with the domain of your receiving postfix server (MTA). Replace username with a valid user name and secret_password with a valid password. You should create the hash of the map by using: postmap /etc/postfix/sasl_passwd. Restart postfix as follows and you be ready to go: service postfix restart 07.12.13

http://blog.taragana.com/index.php/archive/how-to-setup-postfix-to-relay-outbound-mail-using-sasl/

relayhost = [smtp.gmail.com]:587 smtp_sasl_auth_enable = yes smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd smtp_sasl_security_options = noanonymous smtp_tls_CAfile = /etc/postfix/cacert.pem smtp_use_tls = yes 07.12.13

https://easyengine.io/tutorials/linux/ubuntu-postfix-gmail-smtp/

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