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The Best Time to Send Email: How to Build Strong Customer Relationships Using Automation and Artificial Intelligence

Written by:
Mohamed
Ghada
Published in
September 24, 2025

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Have you ever thought about the impact of timing on the effectiveness of your messages? In today's world, we live in the midst of a flood of emails that we receive every day. But how can you make sure that your message will be among the ones that your target audience eagerly opens and reads? Choosing the right time can make the difference between a message that is opened and read, and another that is left out. Building real connections with your audience also depends on how you interact with them. This article will take you on a journey to explore the best times to send emails, the best strategies for building stronger relationships, as well as the increasing role of automation and artificial intelligence in improving these processes and how it can help you achieve success.

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The best time to send emails

Imagine getting up in the morning and starting your day checking your email, but among dozens of messages, there is one that stands out because it arrived at the perfect time. In this section, we'll look at when you should send your messages to reach your audience the moment they're ready to engage with you.

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Data-driven analysis:

First, you should accurately determine the best time to send emails. This is not a random process; rather, it depends on a careful analysis of your audience's behavior and understanding their habits and preferences. Through different data analysis tools, use the tools you have to analyze when your audience is most active and engaged. This can be the first step in achieving positive results for your campaign.

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The best days to send email during the week:

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The best days to send email during the week

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Tuesday, Wednesday and Thursday:

Certainly, with the different systems and hours of work, we may witness days in which interaction with emails increases more than others. Among these days, we see Sendgrid Tuesdays, Wednesdays, and Thursdays are some of the most responsive days and people are often more willing to interact as open and click rates are higher these days.

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The best time to send an email during the day:

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The best time to send an email during the day

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Even if we choose the right days, what are the most frequent times for people to read or check their email? Sendgrid The best times of the day are as follows:

Early morning (9:00 - 11:00 AM): People tend to check their email in the morning, making this the perfect time to reach your audience.

Lunch break time (12:00 - 1:00 p.m.): In some cases, sending messages at mealtime or on the lunch break can be convenient as employees check phones and new messages.

Afternoon (1:00 - 3:00 p.m.): At other times, some people check phones after lunch. It is a good time to send a message that interests them while they return to work.

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Personal timelines:

Take into account the local time: If your audience is international, be sure to consider time differences to ensure your messages arrive at the appropriate times for each region.

Experiment and edit: Remember that every audience is unique. Try different times and analyze the results to find the perfect time for your audience.

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How do you build stronger relationships with your audience?

In the age of technology and fast communication, people need a human touch. Emails aren't just words on a screen; they're an opportunity to build real bridges of communication. Building strong relationships with your audience means more than sending messages; it's about providing real value and communicating honestly. Let's reveal how you can enhance your relationships and make each message a meaningful experience for your audience to feel like more than just customers.

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Personalization:

  • Using personal names: Let your audience feel like they're getting a personal message. Using names in the title and content enhances interaction and makes the message warmer.
  • Audience segmentation: Make your messages speak your audience's language. Segment your audience based on their interests and needs to provide relevant content.

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Providing real value:

  • Related content: Provide content that touches your audience's interests. Educational information, special offers, or valuable tips that can boost your audience's loyalty.
  • Interact and share: Encourage your audience to engage with your messages through questions, surveys, or request feedback. This interaction enhances the relationship and contributes to better communication.

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Regular communication:

  • Regular dispatch schedule: Keep communication constant but undisturbed. Choose a transmission schedule that fits your audience and stays relevant to them. You should have a consistent transmission schedule, whether weekly or monthly.
  • Post-transmission interaction: Don't leave your audience after sending the message. Interact with responses and inquiries to build a lasting and impactful relationship.

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Improve email design:

  • ATTRACTIVE VISUAL DESIGN: Make your messages visual and engaging. Designing clear and easy-to-read messages makes it more engaging.
  • Easy to read: Use short texts and clear bullet points to ensure that the message is easy to read and understand its content.

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Test and improve the strategy:

  • A/B Testing: Run A/B tests to find out which of your messages performs better. Try and find out what works best. Test different times, designs, or titles to see what achieves the best response.
  • Analyze the results: Monitor your message performance regularly and learn from the results. Analyzing your open rate, click rate, and conversion rate can help you improve your efforts. Use this information to improve your strategy and enhance its effectiveness.

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The role of automation and the use of artificial intelligence in enhancing the effectiveness of emails

In today's lightning-fast world especially in advancements and upgrades, automation can be a real rescue. But it doesn't mean losing your personal touch. Instead, automation helps you save time while your messages stay relevant and personalized. We'll discover how automation and artificial intelligence can enhance the effectiveness of your messages and make them more unique.

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The role of automation and the use of artificial intelligence in enhancing the effectiveness of emails

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Email automation:

Automate marketing campaigns: Imagine having a permanent assistant working behind the scenes to send messages at the right times based on customer behavior. Automation makes this possible, saving time and enhancing interaction.

Dynamic content customization: Automation can provide content that matches each individual's interests based on their data, making your messages more impactful.

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How does artificial intelligence (AI) improve email marketing?

Advanced data analysis: Artificial intelligence can quickly analyze big data, providing you with valuable insights into your audience's behavior and preferences.

Advanced customization: AI can predict customer preferences and customize messages accurately, enhancing the impact of your messages and making them more relevant.

Continuous improvement: Using artificial intelligence, you can regularly improve your messages based on data and interaction, ensuring maximum effectiveness. Thus, we have reviewed the most important elements of successful email campaigns: from choosing the perfect timing, building stronger relationships by personalizing messages and providing real value, to how to take advantage of automation and artificial intelligence.

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FAQ's about the best time to send an email:

Q1: What is the best time to send marketing emails for maximum open rates?

Research from Sendgrid shows that Tuesday, Wednesday, and Thursday consistently produce the highest open and click-through rates during the week. Within those days, the most effective sending windows are early morning between 9:00 and 11:00 AM when people first check their inboxes, the lunch break between 12:00 and 1:00 PM, and early afternoon between 1:00 and 3:00 PM as people return to work. That said, these are starting benchmarks — the ideal time for your specific audience should be validated through A/B testing and behavioral data from your own campaigns.

Q2: How does audience segmentation improve email marketing performance?

Segmentation ensures that each group within your audience receives content that is directly relevant to their interests, behavior, and needs — rather than a generic message sent to everyone. When subscribers receive emails that feel tailored to them, open rates, click-through rates, and conversions all improve. Segmentation can be based on past purchases, browsing behavior, geographic location, or engagement history. The more precisely you segment, the more your emails feel like a personal conversation rather than a broadcast, which significantly strengthens customer relationships over time.

Q3: What is A/B testing in email marketing and why does it matter?

A/B testing means sending two versions of the same email — each with one variable changed, such as the subject line, send time, design, or call to action — to different segments of your audience to see which performs better. This removes guesswork from your email strategy and replaces it with real data. Over time, consistent A/B testing helps you identify what resonates with your audience, reduce unsubscribe rates, and continuously improve your open and conversion rates without relying on assumptions or industry averages alone.

Q4: How does email automation help businesses maintain consistent communication without losing personalization?

Email automation allows businesses to send the right message to the right person at the right time — triggered by specific customer behaviors such as signing up, abandoning a cart, or making a purchase — without any manual effort. Far from feeling robotic, well-configured automation uses dynamic content to personalize each message based on individual customer data, making every email feel relevant and timely. This saves significant time for marketing teams while ensuring that no lead or customer falls through the cracks due to delayed or inconsistent follow-up.

Q5: How does artificial intelligence improve email marketing campaigns?

AI enhances email marketing in three key ways. First, it analyzes large volumes of behavioral data far faster than any manual process, surfacing patterns and insights about when your audience engages and what content they respond to. Second, it enables advanced personalization by predicting individual customer preferences and tailoring message content accordingly. Third, it supports continuous improvement by automatically adjusting campaign parameters based on real-time performance data — ensuring your campaigns become more effective over time rather than plateauing after initial setup.

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