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What if the sending domain is in the blacklist?

Maintaining a good sending reputation is critical to ensuring email deliverability. However, it can sometimes happen that the sending domain is blacklisted, which can have a significant impact on the ability to send email successfully. In this article, we will explore the implications of being blacklisted and some solutions to address this situation.

When a domain is blacklisted, it means that it has been identified as suspicious or unwanted by one or more email providers and/or anti-spam programs on corporate servers. Each provider or program has its own blacklist, and the relevance of these lists can vary. The ICOMM team is working diligently to delist affected domains and restore the ability to deliver email to recipients' inboxes.

However, instead of relying solely on delisting, it is essential to address the underlying causes that led to the domain being blacklisted. This implies improving the quality of shipments and the management of databases.

The presence of a domain in a blacklist is directly related to a poor quality in the management of the databases. This can be for a number of reasons, such as sending to old addresses that are no longer in use or showing no interaction with sent emails. To prevent a domain from being blacklisted again, it is crucial to improve the quality of submissions and apply effective database management policies.

Recommendations to maintain a good domain reputation



Improve the quality of the databases: Examine your database and apply policies to detect old or inactive addresses that do not demonstrate engagement. For example, you can consider sending emails only to addresses that have shown opens in the last 180 days. By keeping an updated database with active contacts, you will be reducing the chances of falling into a blacklist.

Segment your audience appropriately: Instead of sending mass emails to your entire contact list, consider segmenting your audience into smaller, more specific groups based on their interests and behaviors. This will allow you to send relevant and personalized content, which is more likely to generate engagement and prevent your emails from being marked as spam.

Deliverability problems due to bad domain reputation



It is important to note that domain reputation is a crucial factor in email deliverability. Each email service provider has its own set of rules and policies to determine if an email is considered spam or not. A message that might make it to the main Gmail inbox may end up in Yahoo's spam folder. Therefore, it is essential to maintain a good shipping reputation to maximize deliverability.

Some of the practices used by email providers to manage spam include:

Throttling: This practice consists of limiting the number of emails that a provider accepts from a sender in a given period. This may result in delays in the delivery of the mails.

Labeled as SPAM: If an email provider identifies an email as spam, it will be sent to the recipient's spam folder. This reduces the visibility of the mail and decreases the chances that it will be opened and read.

Blacklisting: An email provider can reject messages coming from an IP or domain that it considers suspicious or that has been previously included in a blacklist. This may result in undeliverability for mail sent from that address.

Consult our article: Tools to know the reputation of the sending domain

Updated on: 12/19/2023

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