Quick answer

If your consultancy sends regulatory updates, webinar invites, or monthly RA/QA briefings to clients and prospects, Resend Broadcasts let you do that from your web browser. You write the email (or paste HTML content your team has already prepared), choose who receives it, send a test to yourself, and hit Send. Resend handles delivery, unsubscribe links, and the technical email setup.

If you can draft a client update in Word, manage a contact list in Excel, or review a submission checklist, you can run a newsletter with Resend.

Who this guide is for

This guide is written for regulatory affairs (RA) and quality (QA) consultancies — firms that help medical device and pharmaceutical companies navigate approvals, submissions, and post-market compliance.

Typical newsletter use cases in your world:

A Broadcast is Resend's name for this kind of bulk email — one message to many contacts at once. You do not need to write code. Resend provides a no-code editor, and you can also supply HTML if your team prefers a designed template.

What is Resend, and what is a Broadcast?

Think of Resend as the email delivery layer behind your consultancy's communications. It is built for two main jobs:

Most consultancies use Broadcasts for thought leadership and client nurture — keeping RA managers, quality directors, and regulatory leads informed without sending individual emails from Outlook.

What you need before you start

Gather these before your first newsletter goes out:

1. A Resend account — Sign up free at resend.com.

2. A domain you own — For example, test-regulatory.com. Resend sends from your address (like updates@test-regulatory.com), not a generic Gmail or Yahoo address. Professional sender addresses matter in regulated industries — clients are more likely to open email from a domain they recognize.

3. Access to your domain's DNS settings — Usually through whoever manages your website (GoDaddy, Cloudflare, your IT vendor, etc.). You copy a few records Resend provides. This is a one-time setup; ask your web or IT contact if you are unsure.

4. An opted-in contact list — RA managers, QA leads, and business development contacts who agreed to receive updates. Never add people from a purchased list or a conference attendee sheet without explicit consent.

5. A Marketing plan — Broadcasts require Resend's Marketing product (separate from Transactional email). The Marketing free tier supports up to 1,000 contacts with unlimited sends to those contacts — there is no daily send cap on Marketing Broadcasts.

   Note on the 100 emails/day limit: Resend's free Transactional plan (used for one-off emails like password resets) is capped at 100 emails per day and 3,000 per month. That limit does not apply to Marketing Broadcasts. Do not use the Transactional product to blast newsletters — use Broadcasts under Marketing instead.

Step 1: Verify your domain

Your domain is the part after the @ in your email address. Before Resend can send on your behalf, it needs to prove you own that domain — the same way email authentication works for any professional sender.

How to do it

1. Log in to Resend and open Domains in the sidebar.
2. Click Add Domain.
3. Enter your domain. Resend recommends a subdomain for marketing email — for example, updates.test-regulatory.com instead of test-regulatory.com. This keeps your main domain's reputation separate from newsletter sends.
4. Resend shows DNS records (SPF, DKIM, and related settings). Copy each record exactly.
5. Log in to your domain provider, open DNS settings, and paste the records.
6. Back in Resend, click Verify DNS Records.
7. Wait until the status shows Verified (usually minutes; occasionally up to 72 hours).

Once verified, you can send from addresses like Test Regulatory <updates@updates.test-regulatory.com>.

Step 2: Add your subscribers (Contacts)

Your Audience is everyone who might receive a Broadcast. Each person is a Contact — one email address plus optional details.

For a consultancy, useful contact fields include:

• First name — for personalization ("Hi Sarah,")
• Company — so you know who they work for
• Market or region — EU, US, ASEAN, etc.
• Product type — medical device vs pharmaceutical
• Role — RA Manager, QA Director, CEO

Add contacts one at a time

1. Go to Audience → Contacts.
2. Click Add Contact.
3. Enter the email and any details you have.
4. Save.

Import many contacts from a spreadsheet

If your BD team keeps prospects in Excel or Google Sheets:

1. Export as a CSV file.
2. In Resend, go to Audience → Contacts and choose Import.
3. Upload the CSV (up to 200 MB).
4. Map columns — e.g. "First Name" → first_name, "Company" → a custom property.
5. Choose update existing or skip duplicates.
6. Confirm the import.

Important: Only import contacts who opted in — via your website form, a checked box at a webinar, or a direct request. Laws like CAN-SPAM (US), CASL (Canada), and GDPR (Europe) require consent and an easy unsubscribe path. Regulatory professionals expect this standard.

Step 3: Organize contacts into Segments

A Segment is a group within your audience. For consultancies, segments keep content relevant — a pharmaceutical RA lead does not need every medical device alert.

Useful segment examples:

• All newsletter subscribers — your default monthly briefing list
• Medical device clients — device-specific regulatory updates
• Pharmaceutical contacts — drug registration and CMC news
• EU market focus — MDR, IVDR, EUDAMED, notified body updates
• US market focus — FDA 510(k), De Novo, PMA, QMSR
• ASEAN / APAC — HSA, TFDA, PMDA, TGA updates
• Webinar attendees — follow-up after a specific event

When you send a Broadcast, you pick which Segment receives it.

To create a segment:

1. Go to Audience → Segments.
2. Click Create Segment.
3. Name it (for example, "EU medical device clients").
4. Add contacts manually or define rules.

You can also use Topics so subscribers choose what they receive — e.g. "EU MDR updates" vs "FDA updates" vs "Webinars only."

Step 4: Write your newsletter

This is where your regulatory content becomes the email your contacts see. Resend gives you three ways to build the body — pick whichever matches how your team works.

Option A: Write in the visual editor (easiest)

1. Go to Broadcasts and click Create Broadcast.
2. Fill in:
   • From — e.g. Test Regulatory <updates@updates.test-regulatory.com>
   • Subject line — clear and specific; avoid hype. Good: "MHRA registration changes effective July 2026 — summary for manufacturers." Weak: "URGENT!!! MUST READ NOW!!!"
   • Reply-to (optional) — e.g. your BD or RA lead's address
3. Type or paste content in the editor — like Word or Google Docs.
4. Paste from Google Docs, Notion, or Word; formatting usually carries over.
5. Use Markdown for headings, bold, links, and bullet lists if you prefer plain text while drafting.
6. Adjust Styles — logo, brand colors, fonts, link styling.

This works well for text-heavy regulatory summaries — guidance roundups, deadline reminders, and checklist-style updates.

Option B: Paste HTML content (for designed templates)

HTML is the standard format email clients use to display rich layouts — logos, colored headers, two-column sections, styled tables, and button links.

Use HTML when:

• Your marketing team or agency delivers a branded email template
• You want a consistent layout every month (header, body, footer, CTA button)
• You need a table — e.g. comparing submission routes, deadline dates, or country requirements
• A developer on your team exports HTML from a design tool or builds a reusable template

How to use HTML in Resend:

1. Create a new Broadcast.
2. Switch to the HTML view in the editor (or paste HTML into the HTML content field, depending on the editor mode Resend shows).
3. Paste your HTML snippet or full template.
4. Keep personalization placeholders and the unsubscribe link inside the HTML (see below).
5. Send a test email — HTML can look different in Outlook vs Gmail vs mobile, so always preview.

Example of a simple HTML block for a regulatory alert:

<h2>FDA Guidance Update — March 2026</h2>
<p>Hi {{{contact.first_name|there}}},</p>
<p>The FDA published updated recommendations for <strong>510(k) cybersecurity documentation</strong>. Key points for your team:</p>
<ul>
  <li>SBOM requirements now referenced in premarket submissions</li>
  <li>Updated timeline for legacy device postmarket plans</li>
</ul>
<p><a href="https://test-regulatory.com/briefings/cybersecurity-510k">Read our full summary →</a></p>
<p style="font-size:12px;color:#666;">
  <a href="{{{RESEND_UNSUBSCRIBE_URL}}}">Unsubscribe</a> from regulatory updates.
</p>

You do not need to write HTML yourself — many consultancies have a designer or web vendor prepare a template once, then the RA or marketing team updates the text each month.

Option C: Clone a previous Broadcast

If last month's EU MDR briefing looked good, open that sent Broadcast, use Clone as template, and swap in this month's content. Saves time when your structure stays the same.

Personalize with the reader's name

Use placeholders so each contact sees a tailored greeting without separate drafts:

• {{{contact.first_name|there}}} — first name, or "there" if missing
• {{{contact.last_name|}}} — last name
• {{{contact.email}}} — email address

Works in both the visual editor and HTML:

Hi {{{contact.first_name|there}}}, here are the regulatory developments that matter for medical device manufacturers this month…

Include an unsubscribe link (required)

Every marketing email must include an unsubscribe option. In the editor or inside your HTML footer, add:

{{{RESEND_UNSUBSCRIBE_URL}}}

Resend converts this into a working unsubscribe link. Place it in the footer alongside your consultancy name and address — standard practice for CAN-SPAM compliance.

Step 5: Send a test email first

Never broadcast to your full client list without checking the email yourself — especially when using HTML, which can render differently across email clients.

1. Click Test Email (top-right of the editor).
2. Enter your work email and a colleague's (e.g. RA lead + marketing).
3. Click Send Test Email.
4. Review on desktop and phone, and ideally in Outlook and Gmail if your clients use both. Check:
   • Subject line and sender name
   • Logo and images loading
   • Tables and bullet lists readable on mobile
   • All links work (guidance PDFs, webinar registration, your website)
   • Unsubscribe link present
   • Name personalization correct
   • No broken HTML (odd spacing, missing fonts)

Fix issues, then test again.

Step 6: Choose who receives it and send

When the test looks good:

1. Click Send.
2. Select the Segment — e.g. "EU medical device clients" for an MDR-only update, or "All subscribers" for a general monthly briefing.
3. Optionally scope to a Topic if subscribers opted into specific categories.
4. Choose timing:
   • Send now — for time-sensitive alerts (e.g. same-day guidance publication)
   • Schedule — e.g. Tuesday 8:00 AM in your clients' time zone for a monthly digest
5. Slide to confirm — a deliberate safeguard before anything goes to your list.

Resend queues and delivers the emails. You do not need to keep the dashboard open.

After you send: check how it performed

Once sent, Resend shows:

• Delivered — how many reached inboxes
• Opened — if open tracking is enabled on your domain
• Clicked — if click tracking is enabled (useful to see which guidance links clients cared about)

For a consultancy, this helps answer: Did anyone click through to our EU MDR webinar page? or Should we lead next month's briefing with FDA or APAC news?

Export data as CSV from the dashboard for internal reporting. Clone as template on high-performing Broadcasts to reuse layout and HTML structure.

Broadcast statuses explained

Tips for regulatory consultancies

Match content to segments. A broad "global regulatory roundup" works for everyone; a deep IVDR technical note should go only to IVD-focused contacts.

Lead with the "so what." RA professionals are busy. State the impact in the subject line and first paragraph — e.g. "EUDAMED actor registration mandatory from 28 May 2026 — manufacturers must act now."

Link to official sources. Point to FDA, EMA, MHRA, HSA, or other regulator pages alongside your commentary. Builds trust and mirrors how your clients work.

Use HTML for recurring formats. A monthly briefing with the same header, section headings (US / EU / APAC), and footer is ideal for a reusable HTML template your team updates each cycle.

Keep a consistent cadence. Monthly or bi-weekly digests are easier to sustain than sporadic bursts. Clients learn to expect your updates.

Separate marketing from project email. Use a subdomain for newsletters (e.g. updates.test-regulatory.com) so deliverability issues do not affect project-related transactional mail.

Respect unsubscribes. If a contact opts out, do not re-add them from a new CSV import. Resend tracks global unsubscribes.

Get DNS help once. Domain verification is usually the only step needing IT. After that, RA or marketing staff can own the full Broadcast workflow — including pasting HTML templates.

Use Marketing for newsletters, not Transactional. If you send a Broadcast through the Marketing product, the free tier has no daily send cap — only a 1,000-contact ceiling. The 100 emails/day limit applies to Resend's separate Transactional free plan, which is meant for individual system emails, not bulk regulatory digests.

Never email without consent. Conference badge scans and scraped LinkedIn lists are not opt-in lists. Your reputation in a small industry matters.

Common questions

Do we need a developer?

Not for day-to-day sends. You need IT or a web vendor once for DNS domain verification. After that, your team can create Broadcasts in the dashboard, paste HTML templates, and send without code.

Developers become useful if you want to generate Broadcasts from your CRM, trigger alerts from your website, or use the Broadcast API to send HTML programmatically — but that is optional.

Can we use HTML for every newsletter?

Yes. Resend accepts HTML as Broadcast content — in the dashboard editor and via the API. Many consultancies use a designed HTML template for brand consistency and plain editor mode for quick regulatory alerts. Both work.

How much does it cost?

Resend bills Transactional and Marketing as separate products. For newsletters, you need Marketing.

On the Marketing free tier, you can send a newsletter to all 1,000 subscribers in a single Broadcast — you will not hit a 100/day ceiling. The 100/day limit applies only to Transactional sending on the free plan.

If your contact list grows beyond 1,000, upgrade to a paid Marketing plan. Paid Transactional plans also remove the 100/day cap if your consultancy sends project notifications or system emails through Resend as well.

Can we schedule ahead of a known deadline?

Yes. Schedule a reminder email before a known regulatory date — e.g. one week before an EUDAMED milestone or comment-period close.

What if we send an error in a time-sensitive alert?

Delivered emails cannot be unsent. If a Broadcast is still queued, cancel it. Otherwise send a brief correction — regulatory audiences understand errata when you flag them clearly.

Can we send from our consultants' personal Gmail?

No. Resend requires a verified domain you own. This is standard for professional B2B email and improves inbox placement.

Checklist: your first regulatory newsletter

• Resend account created
• Domain verified (preferably on a subdomain like updates.test-regulatory.com)
• Client and prospect contacts imported with consent
• Segments created (e.g. by market, product type, or client status)
• Broadcast created — content written in editor or HTML pasted
• Unsubscribe link ({{{RESEND_UNSUBSCRIBE_URL}}}) in footer
• Test email reviewed on desktop, mobile, and major email clients
• Correct Segment (and Topic, if used) selected
• Sent or scheduled — confirmed with slide

Where to learn more

• Resend Broadcasts documentation — Editor, HTML, testing, and sending
• Resend Audience documentation — Contacts, Segments, and Topics
• Resend domain setup — DNS verification
• Resend Broadcast API — Programmatic sending with HTML (for teams with developers)
• Resend pricing (Marketing) — Contact limits and plans
• Resend account quotas and limits — Free-tier rules for Transactional (100/day) vs Marketing (unlimited sends to contacts)

Last updated: July 2026. Features and pricing may change — check Resend's website for the latest details.