/ Mar 04, 2026
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Poor database hygiene is a root cause. Hoteliers are pretty sold on the value of email marketing. An ROI of up to $44 for every $1 spent? Yes please! But hotels won’t see anything like this 4,400% ROI if people aren’t opening the emails.
Whenever you send an email, it passes through layers of service providers; including email clients, internet service providers (ISPs), and anti-spam organizations. They evaluate how your recipients interact with your emails when deciding where to place your email.
Sending to unhealthy lists or unengaged subscribers can damage your sender reputation. This increases the likelihood of your emails being flagged as spam, added to blacklists, and ultimately makes it harder to land in the inbox.
You may think that’s not a big deal. Does it matter if some emails aren’t opened or land in spam folders? Open rate statistics may look a little lower, but surely, it’s better to get those emails out there to as many people as possible?
Wrong!
Sending an email to an unengaged email address gradually lowers your sender reputation, according to every email client, ISP, and anti-spam organization the email comes into contact with. This means your open rates and click-through rates will gradually but predictably get worse.
The knock-on effect? Emails bounce or land in more spam folders across the board. That means fewer bookings, reduced revenue, and a whole lot of work to get your sender reputation back on track.
How do you know a guest is engaged?
Letting go of guest email addresses from your database is going to happen. You could have the best content, a stellar strategy, brilliant offers…and still lose some. It’s part of the circle of hotel marketing life, and it’s not something to dwell on.
So shift your mindset today. Fewer, quality email addresses will drive results – clicks, engagement, bookings, and income. Many unengaged email addresses will bring dwindling returns, and a whole lot of extra work on your plate in the future when you try to fix it.
Engaged subscribers are those who open your emails, click, and interact with your brand online. They’re much more likely to make a booking. An engaged subscriber is typically someone who has opened and clicked on an email in the last 6 months. If they haven’t opened and clicked within the last 2 years, they definitely fall into the ‘unengaged’ category. Continuing to send to them will sap your time and campaign resources, while harming your email delivery reputation.
Hotels should also look beyond just email engagement when deciding who to target. Recent guest activity is a strong indicator of interest, even if it didn’t happen in the inbox. For instance, a guest who stayed at your property within the last couple of months, or someone who booked a spa treatment or dining reservation, can be considered engaged for those segments. Including these customers in your campaigns helps you reach people who already have a fresh connection with your brand, making them more likely to respond positively to future offers.
What you can do is harness the things within your control. Segment your database so you can personalize your messages. Develop brilliant, engaging email content. Support it with offers and loyalty perks that resonate. And make list hygiene a continuous process that includes sunsetting guests at the appropriate moments.
Having the confidence to suppress unengaged guests means you’ll find guests who are connected and engaged with your brand. It means you’ll be reaching guests who are more likely to book. And it will enable you to grow the things that really count – revenue, brand reputation, and an email strategy that works.

Haydee Fernandez is the Associate Director, Customer Benchmarking & Recommendations at Cendyn. Connect with Haydee on LinkedIn.
About Cendyn
Cendyn is a global hospitality cloud-based technology company that enables hotels to Find, Book, Grow – driving revenue, maximizing profitability, and creating deeper connections with guests through its integrated solutions.
Serving hoteliers for nearly 30 years, Cendyn has over 32,000 customers in more than 150 countries including brands Outrigger Hospitality, Hyatt, IHG, Aman Resorts & Hotels, Relais & Châteaux, Banyan Tree Hotels & Resorts, Coraltree Hospitality, and Onyx Hospitality Group – generating more than $20 billion in annual hotel revenue. The company supports its growing customer base with offices across the globe.
To find out more, visit cendyn.com.
Poor database hygiene is a root cause. Hoteliers are pretty sold on the value of email marketing. An ROI of up to $44 for every $1 spent? Yes please! But hotels won’t see anything like this 4,400% ROI if people aren’t opening the emails.
Whenever you send an email, it passes through layers of service providers; including email clients, internet service providers (ISPs), and anti-spam organizations. They evaluate how your recipients interact with your emails when deciding where to place your email.
Sending to unhealthy lists or unengaged subscribers can damage your sender reputation. This increases the likelihood of your emails being flagged as spam, added to blacklists, and ultimately makes it harder to land in the inbox.
You may think that’s not a big deal. Does it matter if some emails aren’t opened or land in spam folders? Open rate statistics may look a little lower, but surely, it’s better to get those emails out there to as many people as possible?
Wrong!
Sending an email to an unengaged email address gradually lowers your sender reputation, according to every email client, ISP, and anti-spam organization the email comes into contact with. This means your open rates and click-through rates will gradually but predictably get worse.
The knock-on effect? Emails bounce or land in more spam folders across the board. That means fewer bookings, reduced revenue, and a whole lot of work to get your sender reputation back on track.
How do you know a guest is engaged?
Letting go of guest email addresses from your database is going to happen. You could have the best content, a stellar strategy, brilliant offers…and still lose some. It’s part of the circle of hotel marketing life, and it’s not something to dwell on.
So shift your mindset today. Fewer, quality email addresses will drive results – clicks, engagement, bookings, and income. Many unengaged email addresses will bring dwindling returns, and a whole lot of extra work on your plate in the future when you try to fix it.
Engaged subscribers are those who open your emails, click, and interact with your brand online. They’re much more likely to make a booking. An engaged subscriber is typically someone who has opened and clicked on an email in the last 6 months. If they haven’t opened and clicked within the last 2 years, they definitely fall into the ‘unengaged’ category. Continuing to send to them will sap your time and campaign resources, while harming your email delivery reputation.
Hotels should also look beyond just email engagement when deciding who to target. Recent guest activity is a strong indicator of interest, even if it didn’t happen in the inbox. For instance, a guest who stayed at your property within the last couple of months, or someone who booked a spa treatment or dining reservation, can be considered engaged for those segments. Including these customers in your campaigns helps you reach people who already have a fresh connection with your brand, making them more likely to respond positively to future offers.
What you can do is harness the things within your control. Segment your database so you can personalize your messages. Develop brilliant, engaging email content. Support it with offers and loyalty perks that resonate. And make list hygiene a continuous process that includes sunsetting guests at the appropriate moments.
Having the confidence to suppress unengaged guests means you’ll find guests who are connected and engaged with your brand. It means you’ll be reaching guests who are more likely to book. And it will enable you to grow the things that really count – revenue, brand reputation, and an email strategy that works.

Haydee Fernandez is the Associate Director, Customer Benchmarking & Recommendations at Cendyn. Connect with Haydee on LinkedIn.
About Cendyn
Cendyn is a global hospitality cloud-based technology company that enables hotels to Find, Book, Grow – driving revenue, maximizing profitability, and creating deeper connections with guests through its integrated solutions.
Serving hoteliers for nearly 30 years, Cendyn has over 32,000 customers in more than 150 countries including brands Outrigger Hospitality, Hyatt, IHG, Aman Resorts & Hotels, Relais & Châteaux, Banyan Tree Hotels & Resorts, Coraltree Hospitality, and Onyx Hospitality Group – generating more than $20 billion in annual hotel revenue. The company supports its growing customer base with offices across the globe.
To find out more, visit cendyn.com.
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It is a long established fact that a reader will be distracted by the readable content of a page when looking at its layout. The point of using Lorem Ipsum is that it has a more-or-less normal distribution of letters, as opposed to using ‘Content here, content here’, making it look like readable English. Many desktop publishing packages and web page editors now use Lorem Ipsum as their default model text, and a search for ‘lorem ipsum’ will uncover many web sites still in their infancy.
The point of using Lorem Ipsum is that it has a more-or-less normal distribution of letters, as opposed to using ‘Content here, content here’, making

The point of using Lorem Ipsum is that it has a more-or-less normal distribution of letters, as opposed to using ‘Content here, content here’, making it look like readable English. Many desktop publishing packages and web page editors now use Lorem Ipsum as their default model text, and a search for ‘lorem ipsum’ will uncover many web sites still in their infancy.

It is a long established fact that a reader will be distracted by the readable content of a page when looking at its layout. The point of using Lorem Ipsum is that it has a more-or-less normal distribution
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