To achieve optimal email deliverability and avoid spam filters when using domains and subdomains for click tracking, a multi-faceted approach is essential. Core strategies include proper email authentication (SPF, DKIM, DMARC), strategic domain management (isolating email reputation with subdomains), and maintaining a positive sender reputation. This involves practices like allowing new domains to age, avoiding throwaway domains and generic link shorteners, using branded links and consistent domains, warming up IPs, directing tracking links to legitimate landing pages, and actively monitoring domain reputation. Owning and controlling your link tracking domain is key, while being wary of reputation sharing when using ESP-provided domains. Ultimately, transparency, consistency, and proactive reputation management are paramount.
9 marketer opinions
The key to using domains and subdomains effectively for email click tracking to avoid spam filters involves isolating your email reputation, maintaining transparency, and actively monitoring your domain's health. Creating a dedicated subdomain for email activities separates your website's SEO from email deliverability issues. Avoiding excessive link cloaking, generic link shorteners, and inconsistent domains builds trust with mailbox providers. Gradual IP warming and ensuring tracking links point to legitimate content also contribute to a positive sender reputation.
Marketer view
Email marketer from Medium shares that ensure your tracking links point to a legitimate landing page. Avoid using broken links or redirecting to irrelevant content, as this can damage your sender reputation.
14 Mar 2024 - Medium
Marketer view
Email marketer from EmailGeeks suggests that using consistent domains and subdomains across your email marketing efforts (sender address, tracking links, landing pages) builds trust with mailbox providers and improves deliverability. Inconsistent domains can raise red flags and trigger spam filters.
27 Apr 2025 - EmailGeeks
6 expert opinions
To effectively use domains and subdomains for email click tracking and avoid spam filters, it's crucial to manage your domain reputation carefully. Experts recommend allowing new domains to age before use and utilizing subdomains of the client's domain for click tracking. Avoid throwaway domains as they raise red flags, and ensure 'branded' domains are true subdomains. Owning and controlling your link tracking domain is essential for managing its reputation, while using ESP-provided domains involves shared reputation. Separating email sending activities onto a subdomain isolates your email reputation from your main website, protecting its SEO.
Expert view
Expert from Spam Resource responds that using a link tracking domain that you own and control is essential. This allows you to manage the reputation of that domain and prevent issues that arise when using shared or generic link tracking services.
13 Jun 2022 - Spam Resource
Expert view
Expert from Email Geeks explains that using throwaway domains for click tracking is a significant red flag because it mimics the behavior of bad actors who use such domains to avoid associating their bad behavior with their real domain.
9 Dec 2024 - Email Geeks
4 technical articles
Following email authentication best practices and managing your sender reputation are crucial for successful email deliverability. Setting up SPF, DKIM, and DMARC records authenticates your domain and prevents spoofing, thereby improving deliverability. Using a custom tracking domain builds a consistent brand experience and enhances sender reputation. Employing a dedicated IP address provides greater control over deliverability, separate from shared IP pools. Also, maintaining a good domain reputation by avoiding spammy practices (like sending unsolicited emails) is essential for reaching the inbox.
Technical article
Documentation from Google Workspace Admin Help explains that setting up SPF, DKIM, and DMARC records is essential for authenticating your sending domain and preventing email spoofing, which can improve deliverability and avoid spam filters.
2 Feb 2022 - Google Workspace Admin Help
Technical article
Documentation from Microsoft Support shares that maintaining a good domain reputation is key to deliverability. Avoid practices that can harm your reputation, such as sending unsolicited emails, using deceptive subject lines, and not honoring unsubscribe requests.
15 Dec 2023 - Microsoft Support
Are URL shorteners like bit.ly bad for email deliverability?
Can a competitor damage my domain reputation by sending spam with links to my site?
How does sending domain differing from click tracking domain affect email deliverability?
Are HTTP links penalized by spam filters in email marketing?
How do URL shorteners and domain reputation impact email deliverability?
Are Bitly links bad for email deliverability?