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i'm installed centos web panel on amazon ec2 the email send process worked in the first days and stop without any reason. after search i can't know the reason is it because amazon blocked 25 post or my setup have proplem my ip 15.188.176.162 my domain harvard-csc.us server.harvard-csc.us

  • https://aws.amazon.com/premiumsupport/knowledge-center/ec2-port-25-throttle/ – Dusan Bajic Feb 25 '20 at 13:08
  • i posted this request last day . until now no response from amazon –  Feb 25 '20 at 13:13
  • But what is your question here then? – Dusan Bajic Feb 25 '20 at 13:14
  • Even though you’re using postfix and your own instance, and not SES, to open port 25, submit a support request to move SES out of the sandbox and port 25 will be opened for you. – hephalump Feb 25 '20 at 13:37
  • what's expectede time amazon take to open the port –  Feb 25 '20 at 13:41
  • amazon refused my request to open mail ports. some one advised me that i must explain to amazon my procedures to protect my server from out going unwanted emails. how to write this statement –  Feb 27 '20 at 17:06

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