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- Tue Jan 19, 2021 4:05 am
- Forum: Discussions on Spam Protection Policies and Default Rules
- Topic: blacklisted - but we are not on any list
- Replies: 1
- Views: 14105
blacklisted - but we are not on any list
Hi, we received an email from our client and replied. We got this from your software: ... SMTP error from remote mail server after RCPT TO:<email@email.com>: 550 5.7.0 You have been blacklisted. See http://spamauditor.org/best-practices/empowering-your-users/ for more information. Protection provide...