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Summary

Asking subscribers to reply to your emails can indeed improve deliverability, but it is not a standalone solution for complex deliverability issues. This practice primarily enhances deliverability by generating positive engagement signals that mailbox providers (MBPs) use to assess sender reputation.

What email marketers say

Email marketers generally agree that encouraging replies is a good practice for deliverability, viewing it as a strong sign of engagement. They often integrate calls to action that invite interaction, moving beyond simple clicks to foster a two-way conversation. However, the consensus is that this should stem from a genuine relationship, not forced attempts to game the system.

Marketer view

Email marketer from Email Geeks states that the advice to ask for replies to improve deliverability sounds logical, but wonders about the actual extent of its impact and which specific inbox or filtering providers track this kind of engagement. They are curious about the detailed evidence supporting this strategy.

12 Dec 2022 - Email Geeks

Marketer view

Marketer from EmailTooltester.com suggests that simply asking readers for specific feedback by directly replying to your email can do wonders. This type of engagement is seen as a key factor in improving email deliverability.

15 Mar 2023 - EmailTooltester.com

What the experts say

Deliverability experts confirm that asking for replies positively influences filtering algorithms. They emphasize that while direct replies contribute significantly to a sender's reputation by demonstrating active engagement, it's not a magical fix. They also highlight the crucial detail that replying often automatically adds the sender to a recipient's address book, which is a powerful signal for future inbox placement.

Expert view

Expert from Email Geeks explains that generating engagement through actions like replies has a positive impact on email filtering algorithms. They confirm it is one of many signals that contribute to deliverability, although it is not a complete solution on its own.

12 Dec 2022 - Email Geeks

Expert view

Deliverability expert from SpamResource.com indicates that a key factor in consistent inbox delivery is fostering positive user engagement. They suggest that actions like replies signal to ISPs that recipients value the content, which in turn boosts sender reputation.

15 Mar 2023 - SpamResource.com

What the documentation says

Official documentation from major email service providers and industry bodies often implicitly supports the idea that positive user engagement, including replies, improves deliverability. While specific algorithms are proprietary, the emphasis on user interaction and relationship building is consistent across best practice guides. They advocate for genuine, wanted communication over mass unsolicited mail.

Technical article

Documentation from Mailjet advises against using a noreply address in email marketing. They state that it can decrease deliverability and increase the likelihood of emails landing in the spam folder, while also negatively impacting customer experience.

01 Apr 2025 - Mailjet

Technical article

Mailchimp's resources emphasize that deliverability measures how many contacts receive your emails and is a critical factor for email marketing success. This implies that any action, like asking for replies, that improves the chances of emails reaching the inbox is beneficial.

10 Jul 2024 - Mailchimp

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