- Editar /etc/postfix/main.cf
################################
# GMail relay
###############################
# sets gmail as relay
relayhost = [smtp.gmail.com]:587
# use tls
smtp_use_tls = yes
# use sasl when authenticating to foreign SMTP servers
smtp_sasl_auth_enable = yes
# path to password map file
smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd
# eliminates default security options which are imcompatible with gmail
smtp_sasl_security_options =
smtp_tls_session_cache_database = btree:$data_directory/smtp_tls_session_cache
- Crie e edite / etc / postfix / sasl_passwd (crie uma senha específica do aplicativo se você usar a autenticação de dois fatores do Google para o GMail)
[smtp.gmail.com]:587 username:password
- Gerar arquivos sasl_passwd
sudo postmap /etc/postfix/sasl_passwd
sudo postfix reload
- Envie um e-mail de teste para você mesmo
date | mail -s testing your@email.com
tail -f /var/log/mail.log