Sendvo blog

Guides for software-connected direct mail.

Practical explanations for direct mail automation, triggered postcards, postcard APIs, and the systems that connect physical mail to customer workflows.

How should plumbing companies plan direct mail campaigns?

Leak reminders, water-heater campaigns, winter pipe prep, neighborhood routes, proof checks, and measurement basics.

Last updated: 2026-07-13 · Local service marketing

How should HVAC companies plan direct mail campaigns?

Seasonal tune-up reminders, win-back postcards, neighborhood routes, proof checks, and measurement basics.

Last updated: 2026-07-08 · Local service marketing

What is a direct mail API?

API-connected records, payloads, approvals, batches, tracking joins, and measurement boundaries.

Last updated: 2026-06-26 · Direct mail automation

What should a direct mail workflow include?

Audience intake, address hygiene, suppression, proofs, approvals, batches, tracking joins, and audit trails.

Last updated: 2026-06-26 · Direct mail operations

What should list hygiene for direct mail include?

Standardization, NCOA, ACS feedback, dedupe, household rules, suppression, merge-purge, and exceptions.

Last updated: 2026-06-26 · Direct mail operations

What should a direct mail audit trail include?

Source records, address decisions, suppression checks, proof approvals, batches, tracking joins, and review.

Last updated: 2026-06-26 · Direct mail operations

What should a direct mail measurement window include?

Start rules, end rules, response sources, holdouts, tracking joins, and review caveats.

Last updated: 2026-06-26 · Direct mail measurement

What should address deduplication for direct mail include?

Match keys, household keys, survivor rules, suppression checks, exceptions, and audit records.

Last updated: 2026-06-26 · Direct mail operations

What should NCOA for direct mail include?

Move-update records, candidate moves, ACS feedback, suppression, and audit records.

Last updated: 2026-06-26 · Direct mail operations

What does USPS tracking for postcards actually show?

Mailstream visibility, Intelligent Mail barcodes, Informed Visibility, IDs, and measurement boundaries.

Last updated: 2026-06-26 · Direct mail operations

What should a triggered postcard workflow include?

Payloads, send rules, idempotency, duplicate checks, address readiness, proofing, tracking, and measurement.

Last updated: 2026-06-26 · Direct mail automation

What should address standardization for direct mail include?

Structured fields, secondary-unit review, exceptions, NCOA, list hygiene, and audit records.

Last updated: 2026-06-26 · Direct mail automation

What should a postcard template include?

Layout zones, address space, source fields, fallback copy, proof versions, and batch traceability.

Last updated: 2026-06-26 · Direct mail operations

What should a direct mail print proof include?

Layout, address blocks, source fields, internal review rows, approvals, and batch release.

Last updated: 2026-06-26 · Direct mail operations

What is an ancillary service endorsement in direct mail?

Forwarding, return, address correction, ACS feedback, suppression, and audit records.

Last updated: 2026-06-26 · Direct mail operations

What is direct mail CRM?

CRM source records, contact IDs, address readiness, proof approvals, tracking joins, and measurement.

Last updated: 2026-06-25 · Direct mail automation

What is agency direct mail software?

Client records, audience checks, proof approvals, batch releases, tracking joins, and measurement.

Last updated: 2026-06-25 · Direct mail automation

What is real estate investor direct mail automation?

Property-owner records, address readiness, suppression, duplicate checks, proofs, tracking, and measurement.

Last updated: 2026-06-25 · Direct mail automation

What is a Mailer ID in direct mail?

USPS Mailer IDs, IMb fields, CRIDs, mailpiece IDs, tracking joins, and audit records.

Last updated: 2026-06-24 · Direct mail operations

What is a mailpiece ID in direct mail?

Per-piece identifiers, recipient rows, proof versions, batch IDs, barcode fields, and tracking joins.

Last updated: 2026-06-24 · Direct mail operations

What is an idempotency key for direct mail APIs?

Retry safety, idempotency records, event payloads, campaign IDs, batch states, and audit timestamps.

Last updated: 2026-06-24 · Direct mail automation

What should a direct mail event payload include?

Event IDs, source records, recipient keys, addresses, proof fields, campaign IDs, and tracking joins.

Last updated: 2026-06-24 · Direct mail automation

What is a campaign ID in direct mail?

Campaign IDs, batch IDs, source records, creative versions, tracking fields, and audit records.

Last updated: 2026-06-23 · Direct mail operations

What is returned mail handling in direct mail?

Returned mail, UAA signals, return reasons, address feedback, suppression decisions, and audit records.

Last updated: 2026-06-23 · Direct mail operations

What is a direct mail exception queue?

Held records, failed checks, reason codes, address issues, proof gaps, owner review, and release decisions.

Last updated: 2026-06-23 · Direct mail operations

What is abandoned-cart direct mail?

Cart events, recipient keys, address readiness, proofing, duplicate-send windows, tracking, and measurement.

Last updated: 2026-06-23 · Direct mail automation

What is a deliverability check for direct mail?

Address readiness, suppression, duplicate-send windows, move signals, proofing, tracking, and hold decisions.

Last updated: 2026-06-22 · Direct mail operations

What is new-lead direct mail?

Source events, audience checks, address readiness, proofing, send windows, tracking, and audit records.

Last updated: 2026-06-21 · Direct mail automation

What is Address Change Service in direct mail?

ACS feedback, post-mailing address updates, non-delivery reasons, list hygiene, and suppression.

Last updated: 2026-06-21 · Direct mail operations

What is win-back direct mail?

Inactivity triggers, audience checks, suppression, address readiness, proofing, and measurement windows.

Last updated: 2026-06-21 · Direct mail automation

What is customer thank-you direct mail?

Thank-you postcards, trigger events, audience checks, address readiness, proofing, and audit records.

Last updated: 2026-06-21 · Direct mail automation

What is a holdout group in direct mail?

Mailed and unmailed comparison groups, assignment records, measurement windows, and response sources.

Last updated: 2026-06-21 · Direct mail measurement

What is a direct mail send rule?

Trigger events, eligibility checks, address readiness, suppression, proof approval, and audit records.

Last updated: 2026-06-21 · Direct mail automation

What is direct mail attribution?

Mailed audiences, response sources, mailstream signals, review windows, and audit records.

Last updated: 2026-06-21 · Direct mail measurement

What is in-home date tracking for direct mail?

Mailstream visibility, campaign IDs, estimated arrival windows, and review records.

Last updated: 2026-06-21 · Direct mail measurement

What should a direct mail preflight checklist include?

Audience data, suppression, proofs, approvals, tracking fields, internal review rows, and release evidence.

Last updated: 2026-06-21 · Direct mail operations

What is a duplicate-send prevention rule in direct mail?

Match keys, review windows, batch checks, exceptions, and audit records that reduce repeated sends.

Last updated: 2026-06-20 · Direct mail operations

What is a direct mail approval queue?

Proof versions, audience counts, suppression results, address checks, owners, and approval records.

Last updated: 2026-06-19 · Direct mail operations

What is a mail batch in direct mail?

Batch IDs, counts, proofs, address checks, tracking fields, and audit records.

Last updated: 2026-06-19 · Direct mail operations

What is a suppression list in direct mail?

Exclusion records, reason codes, match keys, and audit trails that hold records from print.

Last updated: 2026-06-19 · Direct mail operations

What is a merge-purge workflow for mailing lists?

Combining mailing lists, removing duplicate records, choosing survivor records, and saving an audit record.

Last updated: 2026-06-19 · Direct mail operations

What is a mailable address for direct mail?

Complete fields, standardization, secondary-unit risk, move checks, and workflow records.

Last updated: 2026-06-19 · Direct mail operations

What postcard size should you use for direct mail?

Postcard dimensions, layout tradeoffs, and workflow checks before print.

Last updated: 2026-06-18 · Direct mail operations