SPF vs UTM
SPF (Sender Policy Framework) and UTM (Urchin Tracking Module) both come up in technology conversations and get confused. Here's the plain-English difference, side by side, so you can use each one with confidence.
The key difference: SPF refers to sender policy framework, while UTM refers to urchin tracking module — they describe different things even when they show up in the same sentence.
SPF — Sender Policy Framework
An email authentication standard that lets a domain owner specify which servers are allowed to send email on its behalf.
UTM — Urchin Tracking Module
URL parameters added to links to track where traffic comes from in analytics tools. Standard tags: utm_source, utm_medium, utm_campaign.
When to use SPF
Reach for "SPF" when the conversation is specifically about sender policy framework. An email authentication standard that lets a domain owner specify which servers are allowed to send email on its behalf.
When to use UTM
Reach for "UTM" when the conversation is specifically about urchin tracking module. URL parameters added to links to track where traffic comes from in analytics tools. Standard tags: utm_source, utm_medium, utm_campaign.
FAQs
What is the difference between SPF and UTM?
SPF stands for Sender Policy Framework — An email authentication standard that lets a domain owner specify which servers are allowed to send email on its behalf. UTM stands for Urchin Tracking Module — URL parameters added to links to track where traffic comes from in analytics tools. Standard tags: utm_source, utm_medium, utm_campaign.
Are SPF and UTM the same thing?
No. They're often used in the same conversation because they're related, but they describe different concepts. SPF = Sender Policy Framework. UTM = Urchin Tracking Module.
When should I use SPF vs UTM?
Use SPF when you're specifically referring to sender policy framework. Use UTM when the topic is urchin tracking module.