2 Answers
- Newest
- Most votes
- Most comments
1
Port 25 is disabled and blocked by default in all AWS accounts. This is because AWS are trying to prevent spam mailers from their IP addresses.
You have to apply for access https://repost.aws/knowledge-center/ec2-port-25-throttle
Relevant content
- Accepted Answerasked a year ago
- asked 2 years ago
- AWS OFFICIALUpdated 4 days ago
- AWS OFFICIALUpdated a year ago
- AWS OFFICIALUpdated 2 years ago