Sender score or sender reputation of your domain is an important determinant for email deliverability. Any email service provider will check for your sender score before deciding whether an email from your domain can go to recipient’s inbox or not.
So how to check sender score and what can we do to improve it?
Let’s take a look at different tools which can help you to check your sender score. Sender score or reputation is usually calculated for a domain or IP address used for sending emails.
This service is provided by Return Path. The basic tool is free you can simply register with your email account and then log into this tool. Here you can check the sender reputation of any domain.
A Sender Score is a measure of your reputation, similar to a credit score. Sender scores are calculated from 0 to 100. Sender score numbers are calculated on a rolling 30-day average and illustrate where your IP address ranks against other IP addresses.
Higher score means better deliverability and higher chances of reaching inbox.
TaloIntelligence is a tool provided by Cisco. It is also a free tool, easily accessible, where you don’t even need to create a login account.
This tool returns the sender score in terms of – Good, Neutral or Poor scores. Good means there is little or no threat activity. Neutral means your IP address or domain is within acceptable parameters, but may still be filtered or blocked. Poor means there is a problematic level of threat activity and you are likely to be filtered or blocked.
TrustedSource is provided by MaAfee. It is quite similar to TaloIntelligence. It is easily, freely accessible to check your domain / IP sender reputation.
The BarracudaCentral Reputation System is a real-time database of IP addresses that have a “poor” reputation for sending valid emails. Barracuda Central maintains and verifies all IP addresses marked as “poor” on the Barracuda Reputation System.
This is a very basic tool for sender score check. It will only tell you if your domain or IP address has been flagged on their database or not.
This tool indicates your sender score on a scale from 0-100. It is calculated as the % of ‘good’ emails Vs ‘bad’ emails. So if 60% of your emails in the past have been classified as ‘Good’ (not containing spam or malware etc.), then you will get a sender score of 60.
Note that, in absence of a minimum amount of data on your domain, it will simply give you a sender score of 50%.
Sender scores are tracked and maintained by email security solutions, spam filters, ISPs etc. Many of them also maintain email blacklists. When you check your sender scores with the tools listed above. They will also tell you if you have been blacklisted anywhere.
If somehow your domain or IP address has landed in any of the blacklists, you can go to that particular list and request them to delist your domain from the black list.
Here are a few things you can do to ensure you stay clear of any ‘bad’ or ‘poor’ sender reputation –
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