How to check Postfix queue size or find the count of messages in queue
mailq | grep -c "^[A-Z0-9]"
You can also grep the last line :
mailq | tail -1
How to enable inbound TLS(starttls) in Postfix with Signed Certificate from CA(LetsEncrypt)
article1
Most of the time Postfix is configured with self signed certificate which works well because mostly certificate validation is not required by MTAs. Though it can be useful for applications or mailbox users connecting to central MTA to delivery of emails.
You can either buy SSL certificate from your provider or use letscrypt.org free certificates(needs to be renewed every 3 months). In this guide, i will use letencrypt certificate for my mx host console.postfix.io.
I use letsencrypt utility to manage certificate for my domains, below command will generate standalone certificate for my host.
letsencrypt certonly --standalone -d console.postfix.io The output…
Congratulations! Your certificate and chain have been saved at:/etc/letsencrypt/live/console.postfix.io/fullchain.pem Your key file has been saved at:/etc/letsencrypt/live/console.postfix.io/privkey.pem…
Edit main.cf
vim /etc/postfix/main.cf Replace the following lines :
smtpd_tls_cert_file=/etc/ssl/certs/ssl-cert-snakeoil…
You can either buy SSL certificate from your provider or use letscrypt.org free certificates(needs to be renewed every 3 months). In this guide, i will use letencrypt certificate for my mx host console.postfix.io.
I use letsencrypt utility to manage certificate for my domains, below command will generate standalone certificate for my host.
letsencrypt certonly --standalone -d console.postfix.io The output…
Congratulations! Your certificate and chain have been saved at:/etc/letsencrypt/live/console.postfix.io/fullchain.pem Your key file has been saved at:/etc/letsencrypt/live/console.postfix.io/privkey.pem…
Edit main.cf
vim /etc/postfix/main.cf Replace the following lines :
smtpd_tls_cert_file=/etc/ssl/certs/ssl-cert-snakeoil…
Comments
Post a Comment