How do you write a professional email with AI?

You write a professional email with AI by opening Emmie, Sintra's  AI email assistant, and describing what you need in plain language: the recipient, the goal, and the context. Emmie drafts a polished, ready-to-send email in seconds, trained on thousands of best-performing email campaigns, so you copy it into your email platform and send.

Time to task completion: around 2 minutes per email.

What Emmie can help you write: Welcome emails, follow-up emails, outreach emails, post-purchase emails, win-back emails, newsletters

Pricing: Emmie is included with Sintra X at $15.60/mo billed yearly, with a 14-day money-back guarantee.

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What professional emails can Emmie write?

Most professional email comes down to a handful of recurring jobs, and Emmie covers the full lifecycle, from the first hello to winning someone back months later. Here is what it writes.

Welcome emails. Emmie crafts warm, on-brand welcome messages that introduce your business, set expectations, and make a strong first impression on new subscribers or contacts from the moment they sign up.

Follow-up emails. It writes clear, professional follow-ups after meetings, proposals, or outreach that went unanswered, and it reads the situation, whether that calls for a gentle nudge or a confident ask for next steps.

Cold outreach emails. For prospecting, partnership requests, or introductions, Emmie builds each message around the recipient's likely interest rather than a generic pitch.

Post-purchase emails. It drafts thank-you messages, review requests, and repeat-purchase nudges to send after a sale, the kind that keep customers engaged and turn one-time buyers into returning ones.

Win-back emails. For contacts or customers who have gone quiet, Emmie creates re-engagement messages that pair a real reason to return with a clear, low-friction call to action.

Newsletters and campaign emails. It generates fresh, readable content for regular newsletters, seasonal promotions, and product updates, ready to paste into your email platform and send.

Whatever the type, the quality of the draft depends on one thing more than any other: how much Emmie knows about your business before you start. That is what setup handles.

Setting up Emmie for writing professional emails

Emmie is ready to write the moment you open it, but a few minutes of setup is what separates a generic draft from one that sounds like your business. Work through these four steps first.

1. Sign up and open Emmie. Create your account at sintra.ai and select Emmie from the Helpers list. You land in a chat interface that is ready for you to start writing emails.
2. Set up Brain AI. Upload your website URL, brand voice, tone guidelines, and any relevant background, which takes around five minutes. Without it, Emmie still produces solid emails, but generic ones. Brain AI is what makes every draft sound like you.
3. Give Emmie the context it needs. Before you start, have the recipient, the goal of the email, and any relevant background to hand. The more specific the brief, the closer the first draft is to what you actually want to send.
4. Copy and send from your email platform. Emmie writes and drafts the email content for you. Once you are happy with the result, copy it into your email tool and send it yourself.

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How to write a professional email with Emmie, step by step

Every step below maps to a prompt you can send Emmie directly. Run them in sequence to go from blank page to polished, ready-to-send email, or jump to the step that matches your situation. Emmie returns each draft in the chat, ready for you to copy into your email platform when you want to send.

Step 1: How do you brief Emmie on the email you need?

Start by telling Emmie who the email is for, what you want it to achieve, and any context that will shape the tone or content. A clear brief produces a first draft that needs minimal revision.

Prompt: Write a professional email to a potential client I met at a networking event last week. I want to follow up on our conversation about their logistics software challenges and propose a 30-minute call. Keep it warm but concise.

Output: A complete, ready-to-copy email with a subject line, professional greeting, a reference to the shared context, a clear ask, and a polite sign-off, written in a tone that fits the situation.

Step 2: How do you write a professional subject line?

A strong subject line is the difference between an email that gets opened and one that gets ignored. Ask Emmie to generate options and pick the one that fits your goal best.

Prompt: Give me 5 subject line options for a follow-up email to a prospect who attended our product demo last Tuesday but has not replied yet. The email is friendly but creates a gentle sense of urgency.

Output: Five subject line variations ranging from curiosity-driven to direct, each matched to a different open-rate strategy and ready to test or pick from immediately.

Step 3: How do you write a welcome email that makes a strong first impression?

Welcome emails set the tone for the entire relationship. Tell Emmie about your brand, what the subscriber signed up for, and what you want them to do next.

Prompt: Write a welcome email for new subscribers joining my interior design newsletter. The tone should be warm and creative. Introduce the newsletter, mention they will get weekly tips and inspiration, and invite them to follow us on Instagram.

Output: A complete welcome email with a subject line, a friendly opening, a clear value statement, and a CTA, all ready to paste into your email tool and send to your next batch of new sign-ups.

Step 4: How do you write a follow-up email after no reply?

Following up on unanswered emails is one of the most common professional writing tasks. Emmie handles the tone calibration so you do not have to agonise over every word.

Prompt: Write a follow-up email to a freelance client who has not replied to my invoice sent 10 days ago. Keep it polite and professional, not aggressive. Remind them of the amount and ask them to confirm when payment will be made.

Output: A firm but courteous follow-up email that references the original invoice, keeps the tone professional, and makes it easy for the recipient to respond with a clear next step.

Step 5: How do you write a cold outreach email that gets replies?

Cold emails live or die on relevance. Give Emmie the recipient's context and your goal, and it structures the message around what matters to them rather than what you want to say.

Prompt: Write a cold outreach email to the Head of Marketing at a mid-sized e-commerce brand. I want to introduce our email copywriting service and offer a free audit of their current welcome sequence. Keep it brief (under 150 words) and end with a soft ask for a call.

Output: A concise, personalized-feeling cold email with a relevant hook, a clear value offer, and a low-friction CTA, structured to maximize the chance of a reply without overselling.

Step 6: How do you write a post-purchase email that builds loyalty?

Post-purchase emails are one of the highest-performing touchpoints in any email strategy. Emmie writes messages that thank, reassure, and move customers toward the next action.

Prompt: Write a post-purchase thank you email for customers who just bought our online photography course. Thank them for their purchase, tell them what to expect in the first week, and ask them to leave a review if they are happy after completing Module 1.

Output: A warm, structured post-purchase email with a clear subject line, a genuine thank-you, an expectation-setting paragraph, and a review request that is ready to copy into your email platform and send.

Step 7: How do you write a win-back email for lapsed contacts?

Win-back emails need to acknowledge the gap without being awkward, and give the recipient a concrete reason to re-engage. Emmie balances both without defaulting to clichés.

Prompt: Write a win-back email for customers who have not purchased from our skincare brand in six months. Offer them 15% off their next order, remind them of our bestsellers, and keep the tone warm rather than salesy.

Output: A re-engagement email with a subject line designed for opens, a personal-feeling opening that acknowledges the time gap, a clear discount offer, and a CTA button suggestion.

Step 8: How do you adjust the tone or length of an email Emmie drafted?

If the first draft is close but not quite right, continue in the same chat session. Emmie retains the full context of the conversation, so revisions are fast.

Prompt: This is good. Can you make the opening two sentences more direct, shorten the third paragraph by half, and make the sign-off slightly warmer?

Output: A revised version of the email with only the requested sections changed that is ready to copy and send without going back to a blank page.

Step 9: How do you turn one email into a full sequence?

Once you have a strong single email, Emmie can extend it into a multi-step sequence like a three-email follow-up series, an abandoned cart flow, or a post-purchase nurture track.

Prompt: Turn this welcome email into a three-part welcome sequence. Email 1 is the welcome. Email 2, sent two days later, shares our top three resources. Email 3, sent five days after that, introduces our paid membership and includes a soft pitch.

Output: Three complete emails with subject lines, body copy, and CTAs for each step in the sequence, structured as a finished flow ready to load into your email platform.

Writing professional emails manually vs. with Emmie

Tips for writing better professional emails with AI

Set up Brain AI before writing anything important. Without your brand context, Emmie writes solid generic emails. Upload your tone guide, business description, and a few examples of emails you consider on-brand. Every email Emmie drafts after that will sound like you rather than a template.

Give Emmie the recipient context, not just the task. "Write a follow-up email" produces a passable result. "Write a follow-up email to a CFO at a mid-sized logistics company who attended our webinar but has not replied to two previous messages" produces something you would actually send. The recipient's role, situation, and likely objections are the most useful context you can provide.

Ask for subject line options separately. Subject lines carry a disproportionate share of whether an email gets opened. Once Emmie has drafted the body, ask for five subject line variations and pick the one that fits your goal. Treating the subject line as its own task consistently produces better options than accepting the first suggestion.

Use the same chat session for all revisions. Emmie retains the full conversation context. Ask for changes in the same session and it adjusts the specific section without requiring a full re-brief. Opening a new chat and re-describing the email from scratch is slower and produces less accurate revisions.

Build sequences from a single strong email. If you have one email that works, use it as the anchor for a longer sequence. Ask Emmie to extend it into a two- or three-part flow rather than writing each email separately. The tone stays consistent and the progression feels deliberate rather than disconnected.

Review before sending. Emmie drafts, you send. Emmie writes the content and you send it from your own email platform. Take 60 seconds to read the draft before copying it across. Personalize any details Emmie could not know like the recipient's first name, a specific reference from a past conversation, or a current offer that was not in the brief.

Write your first professional email in under 2 minutes

Emmie is trained on thousands of top-performing email campaigns and uses your Brain AI context to produce drafts that sound like you, not a template. Describe the email you need, copy the result into your email platform, and send. Setup takes 5 minutes. The first email takes less than 2.

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Professional email writing checklist

Once you are set up, run through this to confirm each stage is covered, from the brief through to the final send and into building sequences.