Soft bounces are a signal, not a single diagnosis.
Mailbox-full, temporary, and policy bounces call for different actions. Read the reason before changing the strategy.
Read the field guide →BetterSending makes sender health, DNS, and campaign evidence easier to understand—and easier to act on.
Practical references and checks for strategists balancing growth, inbox placement, and real-world delivery signals.
Build ISP-aware ramps and revise them with actual campaign outcomes.
Open planner →02 / AUTHENTICATERead the policy and estimate DNS-lookup pressure before it causes trouble.
Check SPF →03 / ALIGNCompare a subdomain record with the organisational-domain fallback.
Check DMARC →04 / LOOK UPReview TXT, MX, A, AAAA, CNAME, and NS records in one place.
Check DNS →Look up a domain’s SPF TXT record and review the mechanisms that typically create DNS lookups.
Checks the specific subdomain first, then the parent-domain record used as the fallback.
Review a record directly using DNS-over-HTTPS.
Direct guidance for the operational choices that have the most effect on an email programme.
Mailbox-full, temporary, and policy bounces call for different actions. Read the reason before changing the strategy.
Read the field guide →Provider concentration, content cadence, and customer expectations all change the safe daily ceiling.
Read the field note →Nested includes can quietly bring a record to the DNS lookup limit.
Read the field note →Clear places to start when you need to explain a decision or choose a next move.
Separate the ISP mix, establish a realistic starting volume, and leave room for the campaign that follows the warm-up.
Check the record where mail is sent, then confirm the policy inherited from the parent domain.
Campaign, trigger, and experiment IDs make performance changes explainable.
A blended rate can hide an ISP-specific issue. Compare the provider mix before declaring an outcome healthy.