Question regarding SMTP_BLOCK

Mister9

• September 01, 2015 14:33

Hi! One of my accounts on my server has been sending out spam. I been reading up a bit on how to prevent this from happening and I saw that setting SMTP_BLOCK to 1 is a good thing. My question is, will this block php applications running on other accounts from sending out emails as well? I guess I am trying to find any information about any repercussions this may have on any other accounts on the server.

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  hostCAPO

  • September 02, 2015 18:28

  Hello, SMTP_BLOCK is a setting in the CSF firewall. This will stop local php files from sending mail however, there is also this setting in the CSF.CONF that should allow local files to send mail: === # If SMTP_BLOCK is enabled but you want to allow local connections to port 25 # on the server (e.g. for webmail or web scripts) then enable this option to # allow outgoing SMTP connections to the loopback device SMTP_ALLOWLOCAL = "1" === Regards, Jeremy A.

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  cPanelMichael

  • September 04, 2015 05:17

  Hello :) In addition to the previous post, the following document is useful as a general guide on preventing SPAM from leaving your server:

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