Cold Email Metrics to Monitor: 25 Stats for Boosting Engagement in 2025

The art of cold emailing has evolved into a science driven by data. Understanding which metrics matter most can be the difference between being overlooked and standing out in a crowded digital landscape.

As we approach 2025, knowing the ins and outs of cold email effectiveness is crucial for businesses looking to enhance their outreach strategies. From average open rates to the power of personalization and optimal sending times, the stats you monitor can significantly influence your engagement levels.

This article breaks down 25 essential cold email metrics to track, providing insights on how to boost engagement and make your outreach efforts more impactful. Whether you’re a seasoned marketer or a newcomer, mastering these metrics will ensure your cold emails don’t go unnoticed.

Average Open Rates: Understanding the Benchmark

Understanding the average open rates for cold emails is crucial for successful campaigns. On average, about 44% of recipients open cold emails. Yet, open rates can range from 20% to 60%, influenced by the industry and target audience.

B2B emails often see an average open rate of 36% as of 2023, showing promising engagement in the sector. To gauge success, BreakColds suggests that a good open rate is above 60%, while anything below 40% is considered poor.

Personalizing your emails is key. Research indicates that using tailored subject lines can boost open rates by 26%. This highlights the importance of customizing messages for each recipient to enhance engagement.

Here’s a simple comparison for reference:

Open Rate Category	Percentage
Good	Above 60%
Average	44%
B2B Average	36%
Poor	Below 40%

To summarize, understanding and applying these benchmarks can make your cold email campaigns more effective. Remember to cater to your audience and personalize your approach for better results.

Response Rate Insights: What You Need to Know

Understanding cold email response rates is crucial for effective outreach. On average, cold emails see a response rate of around 8.5%, with many campaigns falling below 10%. However, improvement is possible with strategic approaches.

Here are key insights:

• Initial Follow-Up Boost: Sending a follow-up email can significantly increase response rates, with potential rises from 49% to 220%.
• B2B Benefit: A single follow-up can elevate B2B response rates by about 50%.
• Timing Matters: The workweek is the best time to send emails as weekend emails typically perform worst.
• Personalized Subject Lines: Crafting personalized subject lines can heighten open rates, leading to a 32.7% increase in responses.

Take a look at this table for a quick overview:

Strategy	Improvement in Response Rate
Initial Follow-Up	Up to 220%
First Follow-Up for B2B	50% increase
Personalized Subject Lines	32.7% increase

Personalizing and timing your emails well can enhance your cold email campaigns, significantly boosting engagement and conversion rates.

Subject Lines: The Power of First Impressions

Crafting the perfect subject line is crucial in cold email marketing. A personalized subject line can lead to a 50% higher open rate compared to generic ones, proving the value of personalization. Adding a recipient’s first name can boost reply rates to an impressive 43.41%. This simple touch makes your emails feel more relevant and targeted.

Subject lines with questions can increase open rates by 21%. They spark curiosity and invite recipients to engage. Additionally, subject lines with numbers see a whopping 113% increase in open rates. Numbers are eye-catching and suggest data-driven content.

It’s important to remember that about 33% of email recipients decide whether to open an email based on its subject line alone. This makes it your first impression and a vital part of your outreach emails.

Here’s a quick summary:

Strategy	Impact on Open Rate
Personalized Subject Line	+50%
Use of Questions	+21%
Include Numbers	+113%

The Impact of Personalization on Open Rates

Personalized emails are a game-changer in email marketing. They can boost open rates by a significant 29% compared to generic emails. Simply adding a prospect’s company name in the email subject can increase open rates by 22%. Subject lines that include questions spark curiosity, leading to 21% more opens.

Personalization Technique	Increase in Open Rate
Adding Prospect’s Company Name	22%
Using a Question in Subject Line	21%
Personalized Subject Lines Overall	50%

Moreover, emails with personalized subject lines see a 50% increase in open rates overall. Including the recipient’s or their company’s name can also elevate the average response rate to over 9%. This is because personalization makes the email feel more relevant and engaging.

Incorporating these tactics into email campaigns allows marketers to connect more effectively with their target audience. Sales reps and marketers can benefit from these strategies to enhance their outreach emails’ success. If aiming for higher reply rates and conversion rates, ensuring a personal touch in your cold email campaigns is essential.

Best Days to Send Cold Emails: Timing is Everything

Timing can make or break your cold email campaigns. Knowing the best days and times to send can boost your response rates. Research shows that the most effective days to send cold emails are Monday and Tuesday. People tend to catch up on emails after the weekend, increasing the likelihood of engagement.

While Wednesday and Thursday also offer good opportunities, they aren’t as effective as the start of the week. Avoid sending emails on weekends. Saturday and Sunday see very little interaction, leading to lower response rates.

Here’s a quick guide to help you time your emails right:

Day	Effectiveness Rate
Monday	High
Tuesday	High
Wednesday	Moderate
Thursday	Moderate
Friday	Low
Saturday	Very Low
Sunday	Very Low

When it comes to timing, aim for the window between 10 AM and 1 PM. The peak response time is around 1 PM. Avoid early morning emails before 9 AM and late afternoon emails after 4 PM, as these times show lower engagement.

Optimal Sending Times: Maximizing Engagement

Timing is crucial for cold email success. The best window to send a cold email is between 5 AM and 8 AM on Monday, which gives an average reply rate of 2.3%. However, sending emails at 1 PM yields the highest chance of replies, with 11 AM also performing well for engagement.

Key Times to Send Cold Emails:

• 5 AM – 8 AM: Ideal on Mondays for a 2.3% reply rate.
• 1 PM: Best overall chance for replies.
• 11 AM: Favorable engagement time.

Mondays and Tuesdays are the most effective days for sending cold emails. They have the highest response levels compared to other days.

Avoid Sending Emails:

• Before 9 AM
• After 4 PM

Engagement drops significantly during these times. Additionally, 75% of cold emails are opened in the first hour, highlighting the need for timely delivery. Keep these optimal times in mind to maximize your email campaign’s effectiveness.

Importance of Follow-Ups: Driving Responses

Follow-up emails are a key strategy in cold email campaigns. Despite this, 70% of cold emails lack follow-up efforts, missing a chance for better engagement. Sending a follow-up email can increase reply rates by over 19%, proving their effectiveness.

The role of follow-ups extends beyond immediate replies. Research shows that 55% of replies in cold email campaigns come from follow-ups. This emphasizes their critical part in ensuring responses. Moreover, sales significantly rely on persistence. About 50% of sales occur after the fifth contact. Yet, most sales reps give up after just two attempts.

To maximize success, consider sending between 5 to 8 follow-up emails. This range has been shown to significantly boost conversion rates. In today’s competitive environment, follow-ups are more than a suggestion; they’re a necessity.

Below is a quick breakdown of follow-up statistics:

Fact	Statistic
Reply rates can increase with follow-ups	19%
Cold emails lacking follow-ups	70%
Replies from follow-up emails	55%
Sales occurring after the fifth contact	50%

Investing time in follow-ups can transform your cold email strategy, turning initial emails into effective sales tools.

The Effect of Email Length on Engagement Rates

Cold email length can have a big impact on engagement rates. Emails that are 50-125 words long see reply rates of around 50%. This suggests that recipients prefer concise messages.

The average response rate for cold emails ranges from 1% to 5%. This can vary by industry and situation. To improve reply rates, sales reps should focus on creating high-quality contact lists. Personalized emails are also key for targeted outreach.

Mixing email strategies is essential for effective cold email campaigns. While keeping emails short is important, it is just one factor to consider. Other factors include subject lines, mutual connections, and more.

Here’s a quick summary:

Email Length	Average Reply Rate
50-125 words	Around 50%

In conclusion, short and simple emails often align best with recipient preferences. They make your target audience more likely to engage. So, keep your cold emails clear and to the point for better results. Remember, personalization and a quality contact list also play crucial roles in boosting engagement rates.

Visual Content: Enhancing Cold Email Appeal

Cold emails become more effective with visual content. Personalized subject lines already boost open rates by 26%. But adding appealing visuals could push these numbers even higher.

Consider these factors:

• Promotional Offers: Attract 46.2% more engagement.
• Company Familiarity: Draw 46% of people to open emails.
• Intriguing Subject Lines: Capture the interest of 42.6% of recipients.

Industries like health and beauty send the most cold emails. They find success using visuals due to a focus on aesthetics. Cold emails in these sectors can achieve open rates between 40% to 60%.

Here’s a quick breakdown:

Factor	Engagement Boost
Promotional Offers	46.2%
Company Familiarity	46%
Intriguing Subject Lines	42.6%

The Asia-Pacific region shows a 22.4% open rate. Adding visual content offers potential for even better results across various markets.

For sales reps, these insights mean leveraging visuals not only makes emails more engaging but can lead to improved conversion rates. It’s clear that in today’s digital world, visual appeal matters.

Industry-Specific Response Rates: A Comparative Analysis

When it comes to cold emails, industry-specific benchmarks are crucial. Using a one-size-fits-all approach can be misleading. On average, most cold email campaigns see a response rate between 1% and 5%. This is higher than the general email open rate of 26.76% in 2023. Yet, fifty percent of cold email campaigns have reply rates under 10%.

The top 25% of campaigns achieve a reply rate of 20% or more. Most campaigns should aim for a reply rate of 10-15%. Focusing beyond this might not be worth the effort. The key is optimizing emails for the target audience. Segmented campaigns can increase revenue by up to 760%.

Here’s a quick snapshot:

Cold Email Metrics	Rates
Average Response Rate	1% – 5%
Top Quartile Reply Rate	20%+
Target Reply Rate Benchmark	10% – 15%
General Email Open Rate	26.76%

For an effective strategy, personalize emails and segment your audience. This will help in enhancing engagement and achieving better results.

The Role of A/B Testing in Cold Email Campaigns

A/B testing is a vital tool in cold email campaigns. It’s a top method for conversion rate optimization (CRO). Companies that use A/B testing in their email efforts can see up to a 50% increase in average revenue per prospect.

Here’s a quick look at the benefits:

• 59% of organizations practice A/B testing for cold emails.
• Regular users of A/B testing experience an 82% higher ROI.
• Testing components like templates, CTAs, and greetings boosts marketing ROI.

Element Tested	Potential Increase in ROI
Templates	High
CTAs (Call to Actions)	High
Greetings	Moderate

This method helps businesses fine-tune their outreach emails. By adjusting subject lines and other email elements, marketers can improve open rates and engagement levels. In a B2B email context, it helps build better connections with the target audience.

In summary, A/B testing is a powerful strategy to enhance cold email campaigns. It ensures that every email sent is a step towards increasing efficiency and revenue.

Email Verification Tools: Their Impact on Metrics

Email verification tools are game-changers for cold email campaigns. They help keep bounce rates low. The average bounce rate stands at 2.17%. Keeping it in check is key to ensuring email deliverability.

Here’s a quick look at how email verification tools can improve your campaign metrics:

• Decrease Bounce Rates: By verifying email addresses, you can minimize the bounce rate. This keeps your sender reputation intact.
• Increase Deliverability: Tools like MailFlow warm up your email lists. They ensure emails land in primary inboxes rather than spam folders.
• Boost Engagement: A clean list improves open and click-through rates. It makes your cold email outreach more effective.

Also, personalization is crucial. According to statistics, personalized emails lead to a 29% higher open rate. They also achieve a 32.7% increase in response rates. This makes personalization a strategy you can’t ignore.

Consider using A/B testing for subject lines. It helps you figure out what works best to improve open rates.

In essence, email verification tools, combined with personalization and good A/B testing, can greatly enhance your email marketing campaigns.

Utilizing Analytics Tools to Track Performance

Tracking performance metrics is crucial for successful cold email campaigns. Most cold email platforms offer built-in analytics dashboards. These tools track key metrics like opens, clicks, replies, bounces, and unsubscribes in real-time.

Popular software, such as QuickMail, Lemlist, and Mailmeteor, optimize your email outreach. Mailmeteor leads in the Google Workspace Marketplace with over 5 million users and a high rating. This popularity is thanks to its analytics features.

Here’s why you should use these tools:

1. Understand Open Rates: Know how many recipients are opening your emails.
2. Track Clicks: See which links get the most engagement.
3. Monitor Replies and Bounces: Follow up with those who respond and address any bounce-back issues.
4. Watch Unsubscribe Rates: If they’re high, reconsider your approach.

These analytics help you learn about your target audience. By analyzing this data, brands can refine their strategies for better outreach.

Metric	Importance
Opens	Measures email interest
Clicks	Indicates engagement level
Replies	Shows direct communication
Bounces	Highlights list accuracy issues
Unsubscribes	Flags content or frequency

Utilize these insights to boost your cold email success!

Spam Filters: How They Affect Delivery Rates

Spam filters play a huge role in email marketing success. Over a third (36.2%) of consumers do not trust cold emails and often mark them as spam. This skepticism can affect your email marketing campaigns and delivery rates.

Why Cold Emails Get Marked as Spam:

1. Subject Lines: About 70% of cold emails end up as spam due to ineffective subject lines.
2. Personalization: A personalized subject line can increase reply rates by 30.5%.
3. Spammy Words: Using spam trigger words can lead emails to get flagged.

Interestingly, nearly half of all daily emails (49%) are spam. This means that many recipients are wary of unfamiliar emails, affecting response rates.

Factor	Impact on Spam Flags
Untrustworthy Emails	36.2% marked as spam
Ineffective Subject	70% of emails
Spam Trigger Words	High likelihood of being flagged

To improve cold email deliverability, focus on crafting effective subject lines and personalizing content. Avoiding common spam words is crucial. These practices can help boost your cold email response rates and make your campaigns more successful.

The Importance of Mobile Optimization

Optimizing cold emails for mobile devices is more important than ever. Data shows that 61.9% of emails are opened on mobile devices. This highlights the need to target mobile users seriously.

Here’s a quick breakdown:

Email Platform	Percentage of Opens
Mobile Devices	61.9%
Desktops	38.1%

Even though desktops still account for most email opens, the mobile audience cannot be ignored. Here are some tips to ensure your cold emails are mobile-friendly:

1. Simplify Your Layout: Keep it clean and easy to read.
2. Use Short Subject Lines: Make sure they fit on smaller screens.
3. Large, Clickable Links: Easy-to-tap links improve click-through rates.

Ensuring your cold emails are mobile-optimized can widen your reach and improve campaign performance. By catering to mobile users, you appeal to a significant portion of your audience. Make this a key strategy for your email marketing efforts.

Segmentation Strategies: Targeting the Right Audience

Segmentation is key to successful cold email campaigns. It can boost your revenue by up to 760%. When you target the right audience, you see average response rates of 15-25%. This highlights the importance of connecting with prospects who are more likely to respond.

Personalization is also crucial. Including the prospect’s company name in the email subject line can increase open rates by 22%. This shows how tailored messaging makes a big difference.

Narrow targeting leads to better results. Focusing on smaller, specifically defined groups can improve reply rates. Experimenting through A/B testing different subject lines helps find what resonates most with your audience.

Segmentation Tips:

• Use email list segmentation for better targeting.
• Personalize emails with details like company names.
• Conduct A/B tests to refine subject lines.

Strategy	Benefit
Segmentation	760% revenue increase
Personalization	22% higher open rates
Narrow Targeting	Higher reply rates

By narrowing your focus and refining your approach, you can maximize the effectiveness of your cold email campaigns.

Influence of Sender Reputation on Open Rates

Sender reputation plays a key role in the success of cold email campaigns. Personalized emails, which enhance sender reliability, achieve 29% higher open rates compared to generic ones. This highlights the importance of being relevant to your target audience.

Crafting an effective email is also crucial. Cold emails with at least four sentences yield 15 times more conversions than shorter ones. Here, content quality directly affects sender reputation and recipient engagement.

Here are some key points about sender reputation:

1. Personalization: Boosts open rates by 29%.
2. Mobile Optimization: 81% of emails are read on mobile devices.
3. Mutual Connections: Mentioning these increases response rates by 45%.

Moreover, emails that share success stories and mention mutual connections can increase response rates by 45%. This approach builds trust and credibility with the target audience.

Top-performing cold email campaigns see reply rates of 20% or higher. This demonstrates how a good sender reputation can significantly enhance engagement metrics.

Factors Influencing Sender Reputation	Impact on Engagement
Personalization	+29% open rates
Success Stories	+45% response rates
Proper Formatting	Higher engagement

Ensuring a positive sender reputation is vital for successful email marketing campaigns.

The Effect of Email Design on Reader Engagement

Email design plays a crucial role in reader engagement. Simplicity is key. Emails written at a 3rd-grade reading level boost response rates by 36%. This suggests that clear and simple emails captivate readers more.

Personalized subject lines make a difference too. They are 26% more likely to be opened. Designing emails with a personal touch helps grab attention. Adding social proof, like customer reviews, can enhance open rates by 15% and lead to 80% more conversions. Including testimonials boosts a reader’s trust and interest.

A clear call-to-action (CTA) can significantly boost reply rates. When phrased as a question, CTAs lead to 50% more responses. Timing also matters. Sending emails between 5 AM and 8 AM on Mondays achieves an average reply rate of 2.3%.

Here’s a quick summary:

Design Element	Impact on Engagement
Simple Language	36% higher response rates
Personalized Subject	26% more opens
Social Proof	15% higher open rates, up to 80% more conversions
Question CTA	50% higher reply rates
Timing (Mon 5-8 AM)	2.3% average reply rate

These statistics highlight how strategic email design enhances engagement.

Tracking Unsubscribe Rates: A Critical Metric

Tracking unsubscribe rates is crucial in cold email campaigns. On average, the unsubscribe rate is about 2.17%. This figure helps gauge recipient engagement and the effectiveness of your emails. Surprisingly, many cold emails lack an unsubscribe link, despite it being a legal requirement under CAN-SPAM and GDPR regulations.

Here’s why monitoring unsubscribe rates is important:

1. Audience Targeting: A rate higher than 2% might mean your emails aren’t reaching the right audience.
2. Frequency and Value: High rates can also suggest emails are too frequent or lack value for recipients.
3. Compliance: Including an unsubscribe link ensures compliance and enhances user experience.

Unsubscribe Rate	Implication
Above 2%	Poor targeting or high frequency
Below 2%	Well-targeted, engaging content

Effective cold email campaigns should always include an easy way for recipients to opt-out. This reduces unsubscribe rates and keeps your email list healthy. By checking and minimizing your unsubscribe rate, you can ensure your cold email marketing efforts remain effective and compliant.

Engagement Metrics Beyond Opens and Replies

When evaluating cold email campaigns, focusing only on open and reply rates provides an incomplete picture. A large gap between these metrics often indicates that the content lacks engagement. Here are some crucial points to consider:

1. Follow-Up Emails: A staggering 70% of cold emails are never followed up on, missing many opportunities for engagement and driving the average response rate down to just 1% to 5%.
2. Targeted Audiences: Senior leaders respond more to cold emails, with a 6.4% response rate, which is 23% higher than their subordinates. This highlights the importance of targeting your audience effectively.
3. Optimal Timing: Emails sent between 5 AM and 8 AM achieve higher reply rates as they catch recipients early in their work routine.
4. Content Quality: Poor subject lines or irrelevant content can widen the gap between open and reply rates, reducing overall efficiency.

Metric	Average Percentage
Open Rate	40% – 60%
Response Rate	1% – 5%
Executives’ Response	6.4%

Cold email success relies not just on opening but also on crafting engaging content to prompt replies.

Incorporating Call-to-Actions for Better Engagement

Incorporating a powerful call to action (CTA) in cold emails is key to enhancing engagement and boosting conversion rates. A compelling CTA directs recipients on what to do next, whether it is scheduling a call or signing up for a demo.

Key Points:

• Ask Questions: Utilize one to three questions in your CTA. Emails with such questions achieve 50% higher reply rates than those without.
• Test Your CTAs: Each target audience might respond differently. Testing various CTAs helps in finding the most effective one for your outreach emails.
• Be Clear: A strong CTA should be straightforward and easy to act on. Lack of clarity can lead to missed opportunities and lower conversion rates.

CTA Examples:

Action	Example
Schedule	“Schedule a call with us today!”
Sign Up	“Sign up for a free demo now.”
Reply	“Reply to this email with your thoughts.”

Including a clear CTA at the end of every cold email is crucial. Without it, recipients may not know what to do next, leading to decreased engagement. Always craft your CTAs with care to guide your email recipients effectively.

The Role of Social Proof in Cold Emails

Cold emails can be powerful tools for reaching your target audience. One way to enhance your chances of success is by integrating social proof into your emails. Including links to social profiles in the sender’s signature boosts the average response rate by 9.8%. This signals authenticity to recipients.

Personalizing emails also plays a crucial role. Tailoring your message for each recipient can increase engagement. Studies show that personalized emails have higher reply rates and can lead to positive responses.

Successful examples from experts like Jake Jorgovan and Alex Berman demonstrate that cold emailing can lead to significant business achievements. Their success stories showcase the impact of effective outreach.

To further boost responses, consider using multiple email sequences. Campaigns with 4-7 sequences see a threefold increase in responses compared to those with fewer sequences.

A key statistic to remember is that 80% of people prefer email communication from sales reps. This preference underscores the importance of email in outreach campaigns.

Benefits of Social Proof in Cold Emails:

• Increases authenticity
• Enhances engagement
• Leads to greater success

Integrating social proof in cold emails can significantly improve conversion rates and response rates, making your campaigns more effective.

Multi-Channel Outreach: Integrating Strategies

Cold email remains a powerhouse in multi-channel outreach, even in 2025. Many top campaigns see conversion rates of up to 15%. That’s a compelling reason to include them in your strategies.

Here’s a quick overview:

Metric	Statistic
Average Open Rate	24%
Personalized Email Response	32.7% higher
Customer Acquisition	40x over social
Preferred Contact Method	80% choose email

The average open rate for cold emails stands at 24%. This shows how many recipients are willing and eager to engage. Personalizing your email boosts response rates by 32.7%. So, take the time to tailor each message.

Cold emails secure customers about 40 times better than social media. They hold immense value in any marketing strategy. Furthermore, 80% of people prefer email communication with sales reps. This proves its dominance in outreach efforts.

To optimize your strategies, ensure your sales team leverages cold emails. Pay attention to subject lines and customize messages for your target audience. This will elevate your campaign’s success.

Adapting Your Approach Based on Metrics

Understanding cold email statistics is key to improving your outreach strategy. For starters, tracking open rates helps assess the impact of your campaigns. An average cold email bounce rate is 2.17%. If yours is higher, it might be time to check your email lists for accuracy.

Personalizing subject lines can increase open rates by 22%. This shows the power of tailoring messages to each email recipient. A thoughtful subject line can make a big difference.

Here’s a simple table to recap key metrics:

Metric	Average Rate
Cold Email Bounce Rate	2.17%
Conversion Rate	15%
Open Rate Increase (Personalized)	+22%

The average conversion rate for cold emails is about 15%. This figure indicates potential sales opportunities from well-planned campaigns.

Using email marketing software with analytics is a smart move. Such tools can track opens, clicks, replies, and bounces. With this data, you can continuously refine your cold email campaigns.

Regularly analyzing these metrics helps you understand what works and what doesn’t. By doing so, you ensure your cold email approach is always improving.

Keeping Up with Industry Trends: Staying Relevant

Staying relevant in the fast-paced world of cold email marketing means keeping up with industry trends. Cold emailing is a powerful way for companies to introduce themselves and connect with potential customers. It remains an essential part of many marketing strategies.

The average response rate for cold emails is between 1% and 5%. However, you can boost these numbers with targeted and personalized messages. For example, personalized subject lines can increase open rates by up to 50% compared to generic ones. Longer subject lines can achieve 24.6% higher response rates, underlining the need for clear and engaging headings.

To improve your outreach, here are some key points to focus on:

• Personalization: Tailor your emails to the recipient.
• Targeted Campaigns: Identify and focus on your ideal audience.
• Engaging Subject Lines: Craft longer and compelling subjects.

Key Focus Areas	Potential Impact
Personalized Subject Lines	Up to 50% increase in open rates
Longer Subject Lines	24.6% higher response rates
Targeted and Personalized Emails	Better engagement and conversion rates

Emphasizing these trends will ensure your cold email outreach remains effective and yields a good return on investment.

Conclusion: Making Metrics Work for You

In conclusion, cold email statistics highlight key actions for better email marketing. Monitoring open rates is crucial. It tells you how many unique recipients opened your emails. Personalizing and using quality contact lists boost reply rates. Targeted campaigns often lead to higher engagement.

Segmentation can supercharge your outreach. It has the potential to increase revenue by up to 760%. By targeting specific groups, you make your message more relevant. This leads to better results.

Moreover, cold email marketing offers a strong return on investment (ROI), at 42:1. This means for every dollar spent, you may see $42 back. This is a compelling reason to refine your cold email strategies.

Consider these key points to improve your efforts:

• Monitor open rates and reply rates regularly.
• Personalize emails for better engagement.
• Use targeted and segmented campaigns.
• Assess cold email ROI to measure success.