Dedicated address
One probe per stream
Create a probe for each campaign or lifecycle stream and keep audits isolated.
Continuous campaign QA with one dedicated probe address
Campaign Probe gives you a dedicated email address per probe. Forward, CC, or BCC campaign emails to continuously evaluate links, images, compatibility signals, and template quality drift before and after send.
Automated checks
Links and assets
Detect broken links, missing images, and quality regressions without manual spot checks.
Trend tracking
Before and after
Compare runs before and after template changes to keep quality stable over time.
Routing
Alerts and ownership
Route regressions to owners so issues are fixed before they impact conversion.
Core capabilities
What teams need when email workflows matter
Audit links, redirects, and tracked URLs automatically
Catch broken CTA links and unexpected redirect behavior before customers click.
- Links
- Redirects
- CTA protection
Detect missing images and content defects
Identify missing assets and common email defects that reduce engagement and trust.
- Images
- Content quality
- Regression checks
Track runs and trends by probe and campaign stream
Use run history and trend views to prove quality improvements and prevent backslides.
- Run history
- Trends
- Baselines
Route issues to owners with low-noise alerts
Send alerts that include clear next actions so teams fix regressions quickly.
- Alerts
- Ownership
- Team workflows
Team use cases
How engineering, QA, and operations teams use MailSlurp
Marketing ops teams
Pre-send QA for campaigns and lifecycle sends
Validate quality signals and catch link and asset regressions before launch.
- Prevent broken CTA links reaching customers
- Reduce last-minute launch surprises
- Create a repeatable QA checklist for every send
Lifecycle teams
Continuous monitoring for recurring campaigns
Track quality over time as templates evolve and campaigns run repeatedly.
- Detect drift after template refactors
- Measure trend movement and stability
- Route issues to owners automatically
Agencies
Standardized QA across multiple clients
Create a consistent audit workflow across brands and programs.
- Reduce manual pre-send checklists
- Create repeatable reporting and exports
- Keep quality consistent across client teams
Getting started
Get this working quickly, then build on it
Day 1
Create a probe and test one message
Start with one campaign stream and validate that audit checks surface meaningful issues.
- Create a probe for a campaign or lifecycle stream
- Send or forward a sample email to the probe address
- Review the audit results and baseline quality score
Week 1
Add the probe address to the send flow
CC or BCC the probe address in your campaign send workflow so audits run continuously.
- Add the probe address in your ESP or sending pipeline
- Define pass/fail thresholds for critical defects
- Route regressions to owners for remediation
Week 2+
Operationalize with trends and release gates
Use trend reporting as evidence and pair with deliverability checks for full confidence.
- Compare runs before and after template changes
- Add rendering checks for key clients and devices
- Pair with cohort deliverability tests for receipt assurance
Team fit
How different teams get value
Marketing ops
Challenge: Broken links and content defects often show up after send when impact is highest.
What improves: Automate audits and catch defects before launch.
Lifecycle teams
Challenge: Template changes can silently degrade quality across recurring campaigns.
What improves: Track quality trends and detect drift automatically.
Agencies
Challenge: Manual pre-send checks do not scale across clients and programs.
What improves: Standardize audits and reporting across brands.
Customer outcomes
What gets better once MailSlurp is in place
Fewer broken sends
Catch broken CTA links, missing images, and quality regressions before customers click.
Continuous visibility
Track quality trends by probe so ongoing campaigns do not drift unnoticed.
Faster remediation
Route actionable alerts to owners so issues are fixed quickly.
Better launch confidence
Pair audits with deliverability checks to protect conversion-critical sends end to end.
Ready to try this with your own workflow?
FAQ
Questions people ask before they start
Is CC or BCC enough to measure inbox placement?
A probe workflow audits the message you send to the probe address. For inbox placement and receipt coverage across cohorts, use deliverability tests alongside probes.
Do we need engineering effort to start?
No. Many teams start by forwarding or CCing to a probe address. Engineering teams can also automate workflows with APIs.
What checks should we focus on first?
Start with broken links and missing images, then add rendering and deliverability checks for your highest-impact templates.
Can agencies use this across clients?
Yes. Create probes per client or stream and standardize QA reporting and workflows.