Knowledgebase
Empowering authors with smarter tools for marketing, connection, and growth.
Deliverability
Improve inbox placement and protect your author email reputation.
Create and manage authorized sender addresses.
Verify your sending domain for better deliverability.
Select a professional sender address.
Encourage reader engagement and replies.
Build trust and improve deliverability.
Protect your sender reputation.
Keep your readers engaged and your emails reaching inboxes.
When advanced senders may benefit from a dedicated IP.
Managing Senders
Your sender details tell readers who an email is from. Sender setup is also part of the deliverability process, because mailbox providers use sender identity and authentication signals to decide whether an email looks trustworthy.
What a sender includes
- Sender name.
- Sender email address.
- Reply-to address, where available.
- Domain authentication status.
- Brand or account information connected to the sender.
Why senders matter
- Readers are more likely to open emails from names they recognize.
- Authenticated senders help protect your domain reputation.
- Consistent sender details help readers trust your emails.
- Campaigns may not be ready to send until required sender details are completed.
How managing senders usually works
- Open the sender or account settings area in EmailBoost.
- Add or review your sender email address.
- Confirm the sender name readers will see.
- Complete any required verification steps.
- Authenticate the sending domain if prompted.
- Use the verified sender when creating campaigns.
Things to know
- Cakemail’s first-steps guidance treats sender management and domain validation as a key setup step.
- Sender setup may take longer than campaign design because DNS changes can require propagation time.
- If a campaign is stuck in draft, sender authentication may be one thing to check.
- Changing sender details too often can confuse readers.
BookBooster Author Tip: Use the author name or pen name readers signed up for. If readers know you as A. Pen, “A. Pen” is clearer than “Newsletter Team.”
Authenticating Domains
Domain authentication helps prove that EmailBoost is allowed to send email on behalf of your domain. It is one of the most important technical steps for improving trust and deliverability.
What authentication usually involves
- Adding DNS records provided by the platform.
- Setting up SPF where required.
- Setting up DKIM where required.
- Checking DMARC where required.
- Waiting for DNS changes to propagate.
How domain authentication usually works
- Open the sender or domain authentication area in EmailBoost.
- Add the domain you want to send from.
- Copy the DNS records provided.
- Log in to your domain host or DNS provider.
- Add the records exactly as provided.
- Save the DNS changes.
- Return to EmailBoost and verify the domain once changes have propagated.
Troubleshooting domain authentication
- Allow 24–48 hours for DNS changes to propagate.
- Check that DNS records are entered exactly as provided.
- Remove extra spaces from record values.
- Check whether your domain host has restrictions or requires a different format.
- Try verifying one authentication protocol at a time if needed.
Things to know
- Authentication is not instant for every domain.
- Your domain host controls where DNS records are added.
- Incorrect DNS records can prevent verification.
- Authenticated domains can help improve inbox trust but do not guarantee inbox placement by themselves.
BookBooster Author Tip: Do this before launch week. Domain authentication can take time, and it is not something you want to troubleshoot minutes before a new release email.
Choosing the Right Sender Address
Your sender email address affects reader trust and deliverability. A professional, recognizable sender address is more trustworthy than a generic or confusing one.
Good sender address qualities
- Uses your own author or business domain where possible.
- Matches the author brand readers signed up for.
- Looks professional and easy to recognize.
- Can receive replies if you want reader interaction.
- Is connected to an authenticated domain.
Examples
- hello@yourauthorname.com
- newsletter@yourauthorname.com
- updates@yourauthorbrand.com
- name@yourauthorwebsite.com
Addresses to avoid where possible
- noreply@ addresses.
- Unrecognized business addresses readers will not connect with your author brand.
- Free mailbox addresses for high-volume marketing where a domain address is available.
- Addresses you do not monitor.
Things to know
- The sender name and sender address should work together.
- Readers should instantly understand who the email is from.
- Using your own domain supports brand trust and authentication.
- Mailbox providers may treat unauthenticated or suspicious sender setups more cautiously.
BookBooster Author Tip: For author newsletters, clarity beats cleverness. Use a sender name and email that make the reader think, “Oh, this is the author I signed up for.”
Avoiding No-Reply Email Addresses
No-reply addresses discourage readers from responding. They can make an author email feel impersonal and may reduce engagement signals that help build a healthy reader relationship.
Why no-reply addresses are not ideal
- Readers cannot easily respond with questions or feedback.
- They make the email feel less personal.
- They may increase frustration if readers need help.
- They can reduce useful engagement and replies.
- They are not well suited to relationship-based author marketing.
Better alternatives
- hello@yourauthorname.com
- newsletter@yourauthorname.com
- readers@yourauthorbrand.com
- support@yourauthorstore.com, if support-related.
How to manage replies
- Use a monitored inbox.
- Set up filters for newsletter replies.
- Create canned responses for common questions.
- Check replies after launches or reader magnet sends.
- Make sure the reply-to address is correct.
Things to know
You do not have to answer every reply instantly, but reader replies can be valuable. They can reveal broken links, reader confusion, ARC questions, or enthusiasm for a series.
BookBooster Author Tip: Author emails are relationship marketing. A reader who replies to tell you they loved a character is giving you engagement, feedback and connection. Do not shut that door with a no-reply address unless you have a specific reason.
Using Your Own Domain
Using your own domain for sending helps build trust with readers and supports proper authentication. It is a stronger long-term setup than sending author newsletters from a generic free email address.
Why your own domain helps
- It looks more professional.
- It reinforces your author brand.
- It allows domain authentication.
- It gives you more control over your sender identity.
- It helps readers recognize your emails over time.
Examples
- newsletter@yourauthorname.com
- hello@yourauthorname.com
- updates@yourauthorbrand.com
Before using your domain
- Make sure you have access to your domain DNS settings.
- Set up a mailbox or forwarding for the sender/reply address.
- Authenticate the domain in EmailBoost.
- Send test emails before using it for campaigns.
Things to know
- Buying a domain is not enough; it still needs correct DNS/authentication setup.
- Authentication changes can take time to verify.
- Using your domain consistently helps readers recognize you.
- Switching sender domains frequently can make tracking reputation harder.
BookBooster Author Tip: If you are serious about building an author platform, use an author domain for email. It looks more professional than a free mailbox address and gives you a stronger foundation for future launches.
Avoiding Spam Traps
Spam traps are email addresses used to identify poor list practices. They may appear in purchased, scraped, abandoned or poorly maintained lists. Hitting spam traps can damage sender reputation and deliverability.
How spam traps usually happen
- Buying email lists.
- Scraping addresses from websites or social media.
- Importing very old contacts without recent permission.
- Reusing abandoned lists.
- Keeping invalid or inactive addresses for too long.
How to avoid spam traps
- Only email people who gave permission.
- Do not buy, rent or scrape lists.
- Use signup forms and confirmed sources.
- Clean old or inactive contacts carefully.
- Monitor bounces and complaints.
- Use re-engagement campaigns before removing inactive readers where appropriate.
Warning signs
- High bounce rates.
- Low engagement.
- Unexpected spam complaints.
- Large numbers of old contacts who never open or click.
- Contacts from unknown or unverified sources.
Things to know
Spam trap prevention starts with list quality. Even strong email design and good subject lines cannot fix a list built from poor or unverified sources.
BookBooster Author Tip: Never import a list just because it is available. If you cannot explain how those readers gave permission to hear from you, do not add them to EmailBoost.
Reducing Spam Complaints
A spam complaint happens when a recipient marks your email as spam. Complaints are serious because they tell mailbox providers that recipients do not want your emails.
Why readers complain
- They do not remember signing up.
- The email is not what they expected.
- You email too often.
- The content is not relevant.
- The unsubscribe link is hard to find.
- The sender name is unfamiliar.
How to reduce complaints
- Use permission-based signup methods.
- Make signup wording clear.
- Send from a recognizable author name.
- Include a clear unsubscribe link.
- Do not hide who the email is from.
- Send relevant content to the right readers.
- Avoid suddenly emailing old lists after a long silence.
What to monitor
- Complaint rate.
- Unsubscribes.
- Bounces.
- Low engagement.
- Replies from confused readers.
Things to know
A visible unsubscribe link can reduce spam complaints. If readers cannot find a simple way to opt out, they may mark the email as spam instead.
BookBooster Author Tip: If you have not emailed your list in a long time, do not start with a heavy sales email. Reintroduce yourself, remind readers why they are on the list, and give them a clear way to stay or unsubscribe.
Dedicated IP Addresses
A dedicated IP address is an advanced sending setup where email is sent from an IP address used only by one sender or account. This can give high-volume senders more control, but it is not necessary for most authors.
When a dedicated IP may be considered
- You send very high email volumes.
- You have a consistent sending schedule.
- You have strong list hygiene and engagement.
- You need more control over sender reputation.
- You have the technical knowledge or support to manage IP warming.
Why most authors do not need one
- Most author lists are not large enough to justify it.
- Dedicated IPs require careful warming and consistent volume.
- Poor sending practices can damage a dedicated IP quickly.
- Shared infrastructure may be more practical for smaller senders.
Things to know
- A dedicated IP does not automatically improve deliverability.
- It can perform worse if not warmed properly.
- It is an advanced option, not a beginner setup step.
- List quality, authentication and engagement still matter most.
BookBooster Author Tip: Unless you have a very large, active reader list and a consistent sending schedule, focus on authentication, list quality, good content and regular engagement before worrying about dedicated IPs.