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Summary

Email batching, which involves sending emails in smaller, staggered groups rather than all at once, is a practice often considered for its potential impact on email deliverability. While it might seem intuitive that spreading out sends could improve inbox placement by avoiding sudden spikes that trigger spam filters, the reality is more nuanced. For many healthy email programs with good sender reputations, traditional batching for deliverability purposes is often unnecessary.

What email marketers say

Email marketers often discuss batching in the context of improving email deliverability, though their experiences and reasons for doing so can vary widely. While some adopt it as a traditional practice or a perceived safeguard against reputation issues, others use it for more practical considerations like managing website traffic or optimizing send times for engagement.

Marketer view

Marketer from Email Geeks indicates that for large, healthy marketing programs, email batching is generally not something they would recommend. It might be considered only as a component of a solution if there's an existing deliverability problem to address.

04 Mar 2020 - Email Geeks

Marketer view

Marketer from Email Geeks believes that for lists around 20,000 contacts, batching emails is typically unnecessary for deliverability purposes.

04 Mar 2020 - Email Geeks

What the experts say

Email deliverability experts generally agree that while batching can play a role in specific scenarios, it is not a universal solution for deliverability issues. They often emphasize that basic, healthy sending practices and a solid sender reputation are far more critical. For typical send volumes, modern ISPs are equipped to handle large quantities of legitimate email without requiring senders to artificially throttle their sends.

Expert view

Expert from Email Geeks states that for healthy marketing programs, email batching is not a recommended practice, implying it's often unnecessary for well-managed sending operations.

04 Mar 2020 - Email Geeks

Expert view

Expert from Email Geeks suggests that if you are addressing an existing deliverability problem, then batching can sometimes be one part of an effective remedy, but it is not a standalone solution.

04 Mar 2020 - Email Geeks

What the documentation says

Email Service Provider (ESP) documentation often refers to batching or 'throttling' in the context of managing server load and respecting ISP limitations. While ESPs handle much of this automatically to optimize deliverability for their users, their guidelines sometimes highlight how paced sending can help prevent spam filters from being triggered by sudden, unusually high volumes, especially for new or low-reputation senders.

Technical article

Documentation from Post SMTP highlights that sending emails in batches significantly enhances deliverability rates, making them less likely to get stuck in queues or marked as spam, which is crucial for WordPress email delivery.

01 Apr 2024 - Post SMTP

Technical article

Documentation from Bounceless Blog asserts that email batch delivery improves deliverability by preventing the overwhelming of email servers and the triggering of spam filters, recommending sending emails in smaller, manageable portions.

01 Jul 2023 - Bounceless Blog

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