[CentOS] Postfix setup
Robert Moskowitz
rgm at htt-consult.comMon Mar 11 04:20:04 UTC 2013
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On 03/10/2013 11:12 PM, Keith Keller wrote: > On 2013-03-11, Austin Einter <austin.einter at gmail.com> wrote: >> Which one is preferred postfix or sendmail. > I suspect this is mostly personal preference. I prefer postfix because > the configuration files are easier to read and write. > >> It says I need to disable firewall. Is it really required. Kindly let me >> know. > No, it is not required. But you do need to accept TCP traffic on port > 25 to your SMTP host. Because you need to do this, you should make sure > your SMTP server can not be used as an open relay, or you will find > yourself on many blacklists. Here's a reasonable tester I found: Here is a list of ports I have open on my mail server: HTTP 80 & 443 SMTP 25 & 587 IMAP 143 & 993 POP3 110 & 995 manageseive 4190
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