> For the complete documentation index, see [llms.txt](https://knowledgebase.offer18.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://knowledgebase.offer18.com/network/faqs/why-domain-have-been-flagged-for-spam.md).

# 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)


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