Why Email Headers Are Important

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You may be wondering why it is necessary to inspect the headers of the messages you receive.

Reviewing email headers is important for several reasons, especially if you use email for business, run marketing campaigns, or send newsletters to your clients.

Protection against Spam and Phishing
Phishing and spam are unpleasant annoyances in our inboxes. Cybercriminals are constantly inventing new phishing techniques to bypass security measures and cause more damage to users and businesses.

Email headers can help you avoid spam and phishing attacks . They help email service providers (ESPs) differentiate between spam and legitimate messages. Because email headers include the indonesia whatsapp number data necessary data, ESPs can evaluate that information to identify whether the message is legitimate and should be directed to the intended recipient.

Identify Sender and Recipient Information
Email headers provide critical message identifiers, such as From, To, Subject, and Date , as described above. Without this information, you won't be able to determine who the message came from, who it was delivered to, the day and time it was sent or received, or whether it contains secure and authentic content.

Additionally, email headers provide a detailed description of the sender's IP address, allowing you to trace the origin of the message. This makes it easier for you to spot a scammer or any malicious activity .

Improving Email Deliverability
For every dollar you spend on an email marketing campaign, you get a return on investment of $44 . This means that the ROI on email marketing can reach up to 4,400%.

Given these numbers, the last thing you need when launching an email campaign is for your messages to get caught in your clients’ spam filters . Spam filters and email providers scan your email header and analyze the SPF, DKIM, X-Spam Status, and X-Spam Level sections. This serves to ensure that the sender’s IP address is authorized to send messages to the domain, and that no one has tampered with the email.