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by cheng514
07 Apr 2025, 09:04
Forum: MailScanner Front-End
Topic: What is VALIDITY error in MailScanner FE?
Replies: 5
Views: 101318

Re: What is VALIDITY error in MailScanner FE?

I’ve noticed that this issue is becoming more common, and it seems that there still isn’t an effective solution. According to the official documentation, a non-forwarding DNS is required, and a DNS server needs to perform recursive queries to ultimately find the corresponding authoritative server fo...