Configure postfix to relay mails using Gmail
Install postfix
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apt update apt install postfix libsasl2-modules |
Create file
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touch /etc/postfix/sasl_passwd chmod 600 /etc/postfix/sasl_passwd vi /etc/postfix/sasl_passwd |
Add
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[smtp.gmail.com]:587 user@gmail.com:password |
Save and exit editor. Run
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postmap /etc/postfix/sasl_passwd |
Edit postfix configuration file
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vi /etc/postfix/main.cf |
Find and remove
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relayhost = |
At end of the file, add
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relayhost = [smtp.gmail.com]:587 smtp_use_tls = yes smtp_sasl_auth_enable = yes smtp_sasl_security_options = smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd smtp_tls_CAfile = /etc/ssl/certs/ca-certificates.crt |
Restart postfix
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systemctl restart postfix |
Now all mails will be forwarded using gmail.
Test Email Delivery
Install mailutils
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apt install mailutils |
On CentOS
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yum install mailx |
To sent test email, run
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echo "test" | mail -s "Testing gmail" you@yourdomain.com |
Check mail log
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tail -f /var/log/mail.log |
See postfix