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Email campaigns, separate from WhatsApp and SMS broadcasts because email has its own composition and deliverability concerns.

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Before your first send

Configure an SMTP sender. Without one, mail goes out from a platform default address rather than yours — see Email (SMTP). And set up SPF, DKIM and DMARC on your sending domain. For one-to-one email you can get away without them; for bulk email you cannot. A domain with none of the three will have a meaningful share of its campaign filtered as spam, regardless of content.

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Sending

1

Create the broadcast

Email broadcasts → New.
2

Write it

Subject and body. Save as a draft as often as you like.
3

Choose recipients

From your contacts and customers.
4

Send or schedule

Immediately, or at a chosen time.
A draft can be edited freely. Once sending has begun you can cancel what has not gone yet — but not recall what has.

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After sending

Per-recipient status shows who received it and who failed. Retry queued re-attempts failures without re-sending to everyone.

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Common failures

Gmail and Microsoft 365 need an app password, not your normal one. See Email (SMTP).
Missing SPF/DKIM/DMARC, or a brand-new sending domain with no reputation. Warm a new domain up with smaller sends before a large campaign.
Invalid or closed mailboxes. Remove them — repeatedly mailing dead addresses damages your sender reputation for everyone else on the domain.

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Email or WhatsApp?

WhatsApp gets read far more reliably, but requires an approved template outside the 24-hour window and is more intrusive. Email suits longer content and lower urgency. Newsletters are email; “your order shipped” is WhatsApp.