Question
How do i uninstall Postfix. Will Fail2Ban still be able to email me?
- Posted on October 8, 2015
- DigitalOceanEmail
Asked by Desired Persona
I setup mailgun to forward my emails to gmail. I use gmail aliases to send emails from my domains. Mailgun.com is a free alternative to using google apps.
1.) How do i uninstall postfix? 2.) Will fail2ban still be able to email me if i do uninstall postfix? 3.) Can i remove pop3 110, 995 ports from firewall? 4.) Can i remove imap ports 83, 587 from firewall? 5.) Can i remove SMTP port 25 from firewall? I have a ubuntu 14.04 LEMP server.
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Hi,
You can uninstall Postfix by running:
By default, no. fail2ban needs a Mail Transfer Agent such as Postfix in order to send emails.
However, you can disable email notifications and set up a script that sends email alerts through Mailgun whenever a host is banned or unbanned:
Once you’ve uninstalled Postfix, yes, you can safely remove them. To make sure that they are not used anymore, run the following command which lists all open/active ports along with the processes that are bound to them: