The Sendgate blog

Hands-on guides to stay in control of your sending: deliverability, list compartmentalization and email sending governance.

Governance

The email sending governance layer: a new category of tool

Who can send, to which list, how often: three questions no sending tool handles. The category defined, the gaps documented, and the questions to ask.

13 min · Pillar guide
Mailchimp

Does Mailchimp have sub-accounts?

No, on no plan. Subaccounts belong to Mailchimp Transactional, the old Mandrill, where no contact list can be stored. The three things that share the name.

9 min · Guide
Mailchimp

Does Mailchimp have an approval workflow before sending?

No. The Author role builds without sending, but it needs Standard or Premium, and review comments vanish the moment the campaign goes out.

8 min · Guide
GDPR

GDPR by design: what should you record at the point of collection?

Five records, not a ticked box: date, exact wording, collection point, channel, identifier. What Mailchimp keeps, and what your own settings can erase.

9 min · Guide
Mailchimp

The same contact in 2 Mailchimp audiences is billed twice

Yes, and Mailchimp says so: two audiences, one person, two contacts paid for. Why it never dedupes across audiences, and how to measure your gap.

10 min · Guide
Mailchimp

Running multiple teams on Mailchimp: the 4 possible setups (and their ceilings)

Mailchimp caps seats and audiences per plan: 1, 3, 5 or unlimited. The four multi-team setups, what each one really costs, and the ceiling each one hits.

12 min · Guide
Lifecycle

Lifecycle email: build a journey that retains (with guardrails)

Automated emails are 2% of sends but 30% of revenue. How to build a journey that retains without flooding your contacts, with the right frequency guardrails.

12 min · Guide
Mailchimp

Does Mailchimp have a real frequency cap? (and what's missing)

No: Mailchimp has an account-level send limit, not a per-contact cap. Why Send Time Optimization and journey delays aren't caps, and how to enforce a real one.

11 min · Guide
ROI & performance

Send less, earn more: the frequency capping paradox

More email does not mean more revenue. 43% unsubscribe because a sender emails too often, and twice-weekly beat daily across 1.4 billion sends. Why capping protects the list that earns $36 to $45 per $1.

9 min · Guide
ROI & performance

Email marketing ROI in 2026: what separates profitable teams from the rest

Email returns about $36 per $1, but that's a mean: retail hits 45:1, media 32:1. What profitable teams do differently, with 2026 data on automation, deliverability and measurement.

13 min · Pillar guide
Deliverability

Team email deliverability: protect your sender reputation on a shared account

On a shared account, sender reputation is collective and one team's bad week costs everyone inbox placement. The pillar guide: authentication, complaints, hygiene, frequency.

13 min · Pillar guide
Copywriting

Email CTAs: the copy that converts

What makes people click, 30 CTA wordings by goal, the mistakes to avoid, and why to measure by CTOR rather than open rate.

9 min · Guide
Copywriting

How to write an email subject line that gets opens (40 examples)

The 5 drivers behind opens, 40 subject line examples by type, and why open rate lies since Apple Mail Privacy Protection.

10 min · Guide
Mailchimp

Mailchimp roles and permissions explained (and their limits)

Owner, Admin, Manager, Author, Viewer: what each Mailchimp role allows, who can send, and why none can be scoped to specific audiences.

9 min · Guide
Compliance

GDPR & email in 2026: the complete compliance guide for marketing teams

Consent, data retention, unsubscribe, shared access: the 2026 GDPR email marketing guide. In 2025, the CNIL sanctioned email prospecting 10 times.

13 min · Guide
Governance

Mailchimp for teams: the complete email governance guide

Mailchimp has only 5 global roles and no cross-team frequency cap. Where its native controls stop, and how to compartmentalize audiences without migrating.

13 min · Guide
Mailchimp

Can you restrict a Mailchimp user to specific audiences?

Mailchimp has only 5 account-wide user levels, with no per-audience scope. Here's why, and how to compartmentalize access by team.

9 min · Guide