Help please with DNS
I installed the ubuntu web server like in this lesson.
All work well. But when I send emails to some servers like hotmail.com and some other I get this answer:
550-Message rejected. Spamscore threshold (100 points) reached. Spamscore is 550-110! Details: Suspicious e-mail address; Suspected PTR DNS record points 550 to dynamic IP pool; Untrusted domain zone; Suspicious HELO argument; (in reply to RCPT TO command)
My domain is glt.md
Can somebody help me? please what I do incorrectly?
Do you have a static IP or Dynamic ?
If static IP have you just get it, and if so was it black listed because of previous owner. ?
I test my IP by mxtools, and it is not in black list.
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