What’s the risk of link tracking in cold outreach?

Here's something most cold senders don't realize until it's too late: every link in your email might be rewritten before it reaches the inbox. When link tracking is enabled, your tool swaps your original URL for a redirect through a tracking domain (something like track.yourtool.com/abc123). The recipient's click hits that domain first, logs the event, then forwards them to your real link.

That rewrite is where the deliverability risk starts. Spam filters don't just read your words. They also check every URL in the message. If a link resolves through a third-party domain with a questionable reputation, that's a red flag before the recipient even opens your email.

The shared domain problem is the big one. Most cold email tools put all their customers on the same tracking domain. That means your links look identical to the links sent by every other user on that platform, including the ones sending spammy pitches at 10,000 emails a day. One bad actor poisons the domain's reputation, and you inherit the damage without having done anything wrong. You have no control over it, and often no visibility into it.

On top of that, redirect chains raise suspicion. If a filter traces your link and finds two or three hops before it lands on your actual page, that pattern looks a lot like cloaking. Filters are built to spot exactly this.

How to reduce the risk

• Set up a custom tracking domain. Most cold email tools support this. Point a subdomain you own (like links.yourdomain.com) at their tracking infrastructure so redirects run through your domain, not theirs. This separates your reputation from everyone else on the platform.
• Track fewer links. If you have three links in your email, tracking all three triples the exposure. Pick the one that actually matters, or skip tracking entirely for outreach sequences where replies are the real signal.
• Check your tracking domain's reputation. Run it through a blocklist checker every now and then. If it's showing up on lists, something on the shared infrastructure went wrong.

For most cold outreach, replies tell you far more than click data anyway. A prospect who replies is a warm lead. A prospect who clicked your link and disappeared is a mystery. If you're optimizing for real conversations, open and reply tracking usually gives you everything you need without the extra risk that click tracking adds.

If you're not sure whether your tracking domain is already causing problems, our free blocklist checker is a quick sanity check. Or if your deliverability is already struggling and you're not sure why, the SOS hotline is free and we'll actually help you dig into it.