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Published 06 June 2025 in Ecommerce

How to Manually Send a Klaviyo Flow Email

Manually sending flow emails in Klaviyo gives you precise control over your automated marketing sequences while maintaining the benefits of personalization and targeting.

by Tyson

Manually sending flow emails in Klaviyo gives you precise control over your automated marketing sequences while maintaining the benefits of personalization and targeting. This powerful feature allows you to review, approve, and send individual messages to specific recipients rather than relying entirely on automation. Whether you’re testing new campaigns, managing high-value customer communications, or ensuring quality control, understanding how to manually trigger flow emails can significantly enhance your email marketing strategy.

What is Manual Mode in Klaviyo Flows

Manual mode serves as a middle ground between draft and live status for individual messages within your Klaviyo flows. Unlike traditional email platforms that offer simple on/off switches, Klaviyo provides granular control over each message in your sequence. When you set a message to manual mode, it remains active in your flow but won’t send automatically to qualified recipients.

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Recipients who would normally receive the automated message are instead moved to a “Needs Review” status. This queue allows you to examine each potential recipient individually before deciding whether to send, preview, or cancel their message. Manual mode proves particularly valuable when you want to evaluate message performance, verify recipient targeting, or test new content before full deployment.

The flexibility of manual mode extends beyond simple approval processes. You can use this feature to handle time-sensitive communications that require human oversight, manage VIP customer interactions, or implement quality control measures for critical campaigns. This level of control ensures your marketing communications meet your standards while reaching the intended audience at the optimal time.

How to Activate Manual Mode for Flow Messages

Setting up manual mode requires navigating to your Klaviyo dashboard and accessing the specific flow containing your target message. Click on the flow to open the editor view, where you’ll see all messages and actions in your sequence. Each message displays its current status, which you can modify according to your needs.

Locate the specific message you want to control manually and click on it to open the details sidebar. The sidebar displays the message’s current status with options for Draft, Manual, or Live. Simply click the status dropdown and select “Manual” to activate this mode. Alternatively, you can toggle the status directly on the message card by clicking the status indicator at the bottom.

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Once activated, manual mode immediately affects how your flow handles new recipients. Qualified individuals who would normally receive the automated message are redirected to the “Needs Review” queue instead of receiving immediate delivery. This change takes effect instantly, giving you immediate control over message distribution without disrupting your overall flow structure.

Setting Up Review Workflows

Establishing a systematic approach to reviewing manual messages prevents bottlenecks and ensures timely responses to your audience. Create a schedule for checking your “Needs Review” queue, whether daily, weekly, or based on your campaign urgency. Consistency in review timing helps maintain engagement momentum and prevents recipient frustration from delayed communications.

Consider assigning specific team members to handle manual reviews, especially for different types of campaigns or customer segments. High-value customer communications might require senior team member approval, while standard promotional messages could be handled by junior staff. Clear responsibility assignment ensures accountability and maintains review quality standards.

Document your review criteria to maintain consistency across different team members and time periods. Establish guidelines for when to send, cancel, or modify messages based on recipient behavior, timing considerations, or content relevance. These standards help streamline the review process while maintaining quality control over your communications.

Managing Recipients in the Review Queue

Accessing your “Needs Review” queue requires clicking on the specific flow message set to manual mode. Navigate to “Show Analytics” in the top toolbar, then examine the analytics view for recipient activity breakdowns. The “Needs Review” status shows how many people await your approval, providing insight into your queue volume.

Click “View Details” in the Performance section to access the comprehensive recipient list. The “Recipient Activity” tab displays detailed information about each waiting recipient, including email addresses, names, and qualification timestamps. This visibility allows you to make informed decisions about message sending based on individual recipient characteristics and timing.

The recipient list provides valuable context for your sending decisions. You can see when each person qualified for the message, helping you prioritize time-sensitive communications or identify recipients who may no longer be relevant for the campaign. This information proves particularly useful when managing promotional offers with expiration dates or seasonal content with limited relevance windows.

Recipient Evaluation Strategies

Effective recipient evaluation involves examining multiple factors beyond basic qualification criteria. Review recent engagement history to identify highly active subscribers who are more likely to respond positively to your message. Consider purchase behavior, website activity, and previous email interactions to gauge recipient readiness for your communication.

Timing considerations play a crucial role in manual sending decisions. Evaluate whether the delay between qualification and review affects message relevance, particularly for time-sensitive offers or event-based communications. Some recipients may no longer meet campaign objectives if significant time has passed since their initial qualification.

Segment evaluation helps optimize your manual sending strategy by identifying patterns in recipient behavior or characteristics. Look for common traits among recipients in your review queue to refine your flow filters or adjust your targeting criteria. These insights can improve future campaign performance and reduce the need for manual intervention.

Sending Options and Bulk Actions

Klaviyo provides multiple options for processing recipients in your manual review queue, accommodating both individual and bulk sending needs. For single recipients, use the “Preview” option to see exactly how the email appears in their inbox, including personalized elements based on their profile data. This preview functionality ensures content accuracy and personalization effectiveness before sending.

Individual sending allows for precise control over each recipient’s experience. After previewing, you can immediately send the email or cancel it if you determine the recipient shouldn’t receive the message. This granular control proves valuable for high-value customers or sensitive communications requiring individual attention.

Bulk actions streamline the process when you have numerous recipients awaiting review. The “Send All” button immediately delivers emails to everyone in the queue, while “Cancel All” removes all recipients without sending messages. These options save time when you’ve completed your review process and determined appropriate actions for your entire queue.

Strategic Bulk Processing

Effective bulk processing requires careful consideration of your recipient mix and campaign objectives. Before using “Send All,” review your queue composition to ensure all recipients still meet your campaign criteria. Recipients who no longer match your flow filters will be automatically skipped, but manual verification prevents unintended sends to inappropriate audiences.

Consider partial bulk processing for mixed recipient queues containing both high-priority and standard communications. Send high-priority messages individually or in small batches first, then process remaining recipients in bulk. This approach ensures critical communications receive appropriate attention while maintaining efficiency for routine messages.

Timing bulk sends strategically can improve campaign performance and recipient experience. Process queues during optimal sending times for your audience, considering time zones and engagement patterns. Bulk sending during peak engagement windows maximizes open rates and interaction potential for your manually approved messages.

Converting Between Manual and Live Modes

Transitioning from manual to live mode involves updating the message status in your flow editor. Click on the target message and change the status from “Manual” to “Live” in the details sidebar or by toggling the status directly on the message card. This change immediately activates automatic sending for new qualifying recipients.

Understanding the implications of mode conversion prevents confusion and unintended sending behaviors. When you switch from manual to live, the message begins automatically sending to new recipients and those currently in “Waiting” status. However, recipients already in “Needs Review” remain in the queue until you manually process them.

This behavior ensures you maintain control over previously reviewed recipients while enabling automation for future qualifiers. If you want existing “Needs Review” recipients to receive the message after switching to live mode, you must manually approve them using the “Send All” button. This distinction protects against accidental sends while providing flexibility in your campaign management.

Timing Mode Transitions

Strategic timing of mode transitions can optimize your campaign performance and reduce manual workload. Consider switching to live mode after you’ve validated message performance through manual sends and confirmed targeting accuracy. This approach allows you to test and refine before committing to full automation.

Monitor recipient flow patterns when planning mode transitions to avoid overwhelming your review queue or creating sending delays. If your flow generates high recipient volumes, ensure you have adequate review capacity before maintaining manual mode for extended periods. Conversely, switch to live mode when you’re confident in your message performance and targeting accuracy.

Document mode transition decisions and their outcomes to improve future campaign planning. Track metrics like open rates, click-through rates, and conversion performance for manually sent versus automatically sent messages. These insights help you determine optimal timing for mode transitions and identify campaigns that benefit most from manual oversight.

Best Practices for Manual Flow Management

Implementing manual flow emails effectively requires strategic planning and systematic execution. Reserve manual mode for high-stakes communications where review adds genuine value, such as VIP customer messages, time-sensitive promotions, or new campaign launches. Overusing manual mode can create unnecessary bottlenecks and reduce the efficiency benefits of automation.

Establish clear criteria for when to use manual mode versus automatic sending. Consider factors like recipient value, message complexity, timing sensitivity, and potential impact of sending errors. Document these criteria to ensure consistent application across your team and different campaign types.

Regular queue monitoring prevents recipient backlog and maintains engagement momentum. Set up notifications or calendar reminders to check your “Needs Review” queues consistently. Delayed processing can reduce campaign effectiveness and create negative recipient experiences, particularly for time-sensitive communications.

Quality Control Implementation

Develop standardized review processes that balance thoroughness with efficiency. Create checklists covering personalization accuracy, content relevance, timing appropriateness, and recipient qualification. These standards help maintain quality while streamlining the review process for team members.

Implement approval hierarchies for different message types and recipient segments. High-value customer communications might require senior approval, while standard promotional messages could be handled by junior team members. Clear escalation procedures ensure appropriate oversight without creating unnecessary delays.

Use manual review insights to improve your automated flows and targeting criteria. Track common reasons for canceling messages or patterns in recipient behavior to refine your flow filters and segmentation. These improvements reduce future manual intervention needs while maintaining campaign quality.

Advanced Manual Sending Strategies

Sophisticated manual sending strategies can significantly enhance your email marketing effectiveness beyond basic approval workflows. Use manual mode for A/B testing new message variations before committing to full automation. Send different versions to small recipient segments, analyze performance metrics, and implement the winning version in live mode.

Seasonal campaign management benefits from manual oversight during peak periods when timing and relevance are critical. Holiday promotions, back-to-school campaigns, or event-based marketing often require human judgment to optimize sending timing and recipient selection. Manual mode provides the flexibility needed for these time-sensitive campaigns.

Customer lifecycle stage management represents another advanced application of manual sending. Different lifecycle stages may require varying levels of personalization or timing precision that benefits from human oversight. New customer onboarding, win-back campaigns, or loyalty program communications often perform better with manual review and customization.

Segmentation and Personalization Enhancement

Manual sending enables advanced segmentation strategies that go beyond standard flow filters. Review recipient characteristics in your queue to identify micro-segments that might benefit from message customization or timing adjustments. This granular approach can significantly improve engagement and conversion rates.

Personalization verification becomes more thorough with manual review, allowing you to catch and correct personalization errors before sending. Preview messages for different recipient types to ensure dynamic content renders correctly and personalization elements display appropriately across various customer profiles.

Geographic and timing considerations can be optimized through manual sending, particularly for global audiences spanning multiple time zones. Review recipient locations and send messages at optimal local times rather than relying on automated scheduling that might not account for regional preferences or cultural considerations.

Troubleshooting Common Manual Mode Issues

Recipients not appearing in your “Needs Review” queue typically indicates filter or qualification problems rather than technical issues. Verify that recipients meet all flow filters and trigger conditions by examining their profile data and recent activity. Check for conflicting filters that might prevent qualification or duplicate prevention settings that block repeat sends.

Personalization rendering problems can occur when dynamic content fails to display correctly in manual mode. Always preview messages before sending to identify personalization errors or missing data fields. Test with diverse customer profiles to ensure personalization works across different recipient types and data configurations.

Timing issues frequently arise when manually sending messages intended for specific sequence delays. Manual sends deliver immediately rather than respecting planned delays, potentially disrupting your intended customer journey. Plan manual sends carefully and consider the recipient’s position in your overall flow sequence.

Technical Resolution Strategies

System refresh often resolves temporary display issues or status update delays in your manual review interface. If messages appear stuck in “Needs Review” despite sending attempts, refresh your browser page or log out and back into Klaviyo. Persistent issues may require clearing browser cache or trying a different browser.

Filter conflicts can prevent recipients from appearing in your review queue even when they seem to meet qualification criteria. Review all flow filters systematically, checking for contradictory conditions or overly restrictive combinations. Test your filters with known qualifying recipients to identify problematic configurations.

Contact Klaviyo support for persistent technical issues that don’t resolve through standard troubleshooting steps. Provide specific details about affected flows, recipient examples, and error messages to expedite resolution. Document recurring issues to identify patterns that might indicate systematic problems requiring platform-level fixes.

Why Manual Flow Emails Drive Better Results

Manual flow emails consistently deliver superior performance metrics compared to fully automated sequences when applied strategically. The additional oversight ensures message relevance, timing optimization, and personalization accuracy that automated systems might miss. This attention to detail translates into higher open rates, increased click-through rates, and improved conversion performance for critical campaigns.

Quality control through manual review prevents costly sending errors that could damage brand reputation or customer relationships. Catching personalization mistakes, timing issues, or targeting errors before they reach your audience protects your brand integrity while maintaining customer trust. The investment in manual review time often pays dividends through improved customer satisfaction and engagement.

Strategic manual sending enables you to capitalize on timely opportunities and respond to changing market conditions more effectively than rigid automated sequences. You can adjust messaging, timing, or targeting based on current events, competitive actions, or customer feedback without rebuilding entire automation flows. This flexibility provides a competitive advantage in dynamic market environments.

Start implementing manual flow emails in your Klaviyo campaigns today to experience the enhanced control and improved performance they provide. Begin with your most critical customer communications or highest-value campaigns to see immediate impact. As you develop confidence and processes around manual sending, expand its use to other campaigns where the additional oversight adds value to your marketing strategy.

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