swaks is a command line SMTP testing tool available at http://www.jetmore.org/john/code/swaks/ On Debian/Ubuntu, you can install it with the command if you just type swaks, it will ask for your email, then send a mail using MX Record to a specified email address. To send email using a specific mail server Deliver a standard test … Read more
To use postfix to send email using sendgrid, you first you need to install postfix on your server. Edit main.cf vi /etc/postfix/main.cf Find relayhost = Delete the line. Go to end of the file and add following smtp_sasl_auth_enable = yes smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd smtp_sasl_security_options = noanonymous smtp_sasl_tls_security_options = noanonymous smtp_tls_security_level = encrypt header_size_limit = 4096000 … Read more
Mail Server These software once installed will provide complete mail server including web mail. Business Email Free Email Forwarding Mail DNS Settings Webmail Email Marketing Newsletter Encrypted Email Email Clients for Linux To install mail command. on Debian, run on CentOS To send a test email, run To specify sender address, use -r option