What is email address cleaning?

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How to get an error rate of 3% or less
2017-05-29(Updated: 2024-12-28 )
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Among the inquiries we receive from customers, there are some who have issues such as "emails not being delivered (non-delivery)" or "emails arriving late (delayed)."

This time, we will explain the "error rate," which medical practice email list is said to be one of the causes of email non-delivery and delays, and "error cleaning," which solves this problem.









Table of Contents [Hide]

1. Error rates lead to missed or delayed deliveries
2. Measures against non-delivery and delays with error cleaning
3. Aim for an error rate of 3% or less
4. Easily reduce error rate to under 3% with "Arara Message"


How error rates lead to missed or delayed deliveries
There are various reasons why emails are not delivered or are delayed, one of which is the "error rate. "

Here’s a simple flow of how “error rate” relates to non-delivery or delayed emails:



How error rates lead to missed or delayed deliveries

Do you understand how email "bounce rates" relate to undelivered or delayed emails?




What is IP reputation? Explaining its relationship with email deliverability
Some companies who distribute email newsletters may have felt that their delivery rate is low. There are various reasons for this, such as email capacity and domain, but one of them is a low IP reputation. In this article, we will introduce ways to improve your IP reputation and increase your delivery rate.
Alala Message


Measures against delivery failures and delays with error cleaning
To avoid non-delivery or delays in delivery, it is important to take the following measures:

1.　 When sending emails , understand how many error addresses are included in the mailing list (error rate).

2. Addresses that have actually experienced delivery errors will be promptly removed from the list (re-sending may be possible depending on the reason for the error*).

3. Repeat steps 1 and 2 to maintain a low error rate







Aim for an error rate of 3% or less
At Arara, we recommend keeping the "error rate" below 3%.

Of course, sometimes customers tell us that the numbers are too strict.

However, in order to prevent abuse, the destination mobile carriers and providers do not disclose anti-spam guidelines, so once a message is deemed spam, it becomes very difficult to identify the cause and resolve the issue.

For this reason, we believe it is most important to take preventative measures to prevent your email from being considered spam.

If you want to ensure that emails are delivered to customers without delay, you should keep three things in mind when sending emails: understanding the error rate of your distribution list, eliminating lists that have resulted in delivery errors, and rotating these lists to maintain a low error rate.