How to Setup WordPress with LAMP + Postfix as Send-Only Mail Notifications on VPS Server

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Gabriel Cánepa

Gabriel Cánepa is a GNU/Linux sysadmin and web developer from Villa Mercedes, San Luis, Argentina. He works for a worldwide leading consumer product company and takes great pleasure in using FOSS tools to increase productivity in all areas of his daily work.

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5 Responses

  1. Ulysses Harmony Garcia says:


    I installed LAMP and ISP config on a Debian 8 VPS which comes with a whole bunch of packages, like Dovecot, SASL, Fail2Ban, Spam Assassin, Pure FTPD, Quota, and various PHP and SQL components,and I had to build and install ISP config and possibly something else. I learned that Postfix and Sendmail do not work well together. They cancel each other out.

    When I set up a domain on ISP config, I set it to server, so server.sensation experience. pop3://server.sensation-experience. Imap:// I set up three mailboxes, a webmaster, a test, and a send-only [email protected]/ I did this using ISP Config.

    It’s similar to C-Panel, but it’s free. How do I get WordPress to communicate with the mailbox donotreply? I want people to create accounts and get e-mails from a send-only address, but I also want them to write to webmaster, which again, I already set up a mailbox for that.

    Also, do you have any guides on how to certify SSL/TLS with ISP Config? Right now I am being told that the security of the certificate couldn’t be trusted. Can I use Cloudflare as another way to force https? I am already using their nameservers.

    By the way, I have set up a virtual host that is different from the default, so everything is in /var/www/html/ The public_html is the document root. Inside that root folder I have /blog.

  2. Dan says:

    Thanks for the detail instruction!

    What if I plan to host more than one site on the vps server, do I have to add each one of them to postfix?

    How do I go about doing that?

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