how can i unblock port 25 in AWS LightSail

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i cannot do that when i contact the aws they were forced to buy the premium support plan

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After you have created your instance, go to Networking and add a IPv4 Firewall Rules. Here is a link to the documentation - https://lightsail.aws.amazon.com/ls/docs/en_us/articles/understanding-firewall-and-port-mappings-in-amazon-lightsail

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Chris_P
已回答 2 年前

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