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- Mon Feb 20, 2017 2:51 am
- Forum: General Discussions and Support Questions
- Topic: Incorrect reverse DNS entry detection?
- Replies: 1
- Views: 16999
Incorrect reverse DNS entry detection?
Hello, MagicSpam is blocking a few incoming messages with reason '550 5.7.0 Your server IP address does not have a valid reverse DNS entry'. After some user complaints for not receiving certain emails, I investigated with the help of external tool https://www.debouncer.com/reverse-dns-check just to ...