# Why Domain have been flagged for SPAM? Malware error refers to any sort of malicious/suspicious activity which has stolen information, often without the user's knowledge. If Malware is detected Google Tag Manager will not fire tags that point to sites where Malware is found. Common symptoms of Malware * Promotion of SPAM Campaigns * Unwanted URL redirects * Pop-up ads * Slow computer speeds * Spam complaints * Your domain shares with a spammer the same IP * Absent or incorrect digital signatures *** ## Solution * Use Custom Domain with (HTTPS) * Don't Promote SPAM Campaigns * Review spam complaints * Disable reported URLs * Regularly check spam databases * Remove bad addresses * Review your “opt-ins” [..](https://mnpt-local-dev.o18-test.live/website/?source=test-1212) --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://knowledgebase.offer18.com/network/faqs/why-domain-have-been-flagged-for-spam.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.