{"id":84175,"date":"2025-03-05T19:13:41","date_gmt":"2025-03-05T19:13:41","guid":{"rendered":"https:\/\/mailrelay.com\/glosario\/junk-mail\/"},"modified":"2026-09-26T07:28:37","modified_gmt":"2026-09-26T07:28:37","slug":"junk-mail","status":"publish","type":"glossary","link":"https:\/\/mailrelay.com\/en\/glossary\/junk-mail\/","title":{"rendered":"Junk Mail"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>&#8220;Junk mail&#8221; or &#8220;spam&#8221;<\/strong>, refers to those <strong>unsolicited emails<\/strong> that arrive in the user&#8217;s inbox, usually with <strong>irrelevant or unwanted content <\/strong>. <\/p>\n\n\n\n<div style=\"background:#f2f6ff;border-left:4px solid #2c5cf6;padding:20px 24px;margin:24px 0;border-radius:4px;\">\n<p style=\"margin:0 0 12px 0;font-weight:600;font-size:18px;\">Looking for a reliable email marketing platform?<\/p>\n<p style=\"margin:0 0 16px 0;\">Join thousands of businesses using Mailrelay for better deliverability and pricing that scales with your contact list.<\/p>\n<a href=\"https:\/\/mailrelay.com\/en\/signup\/?utm_medium=cta&#038;utm_campaign=glossary-en-batch\" style=\"display:inline-block;background:#2c5cf6;color:#ffffff;padding:12px 24px;border-radius:4px;text-decoration:none;font-weight:600;\">Try Mailrelay free<\/a>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">This type of email can come from various sources, such as companies that send <a href=\"https:\/\/mailrelay.com\/en\/\" target=\"_blank\" rel=\"noreferrer noopener\">mass emails <\/a> without properly segmenting their audience or from malicious senders with fraudulent intentions.<\/p>\n\n<h2 class=\"wp-block-heading\">Characteristics of Junk Mail<\/h2>\n\n<p class=\"wp-block-paragraph\">To better understand what junk mail is, it is essential to know its main characteristics:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Unsolicited<\/strong>: The main characteristic of junk mail is that the recipient has not requested to receive it. This means that the email arrives unexpectedly and <strong>without the recipient&#8217;s explicit consent.<\/strong><\/li>\n\n\n\n<li><strong>Sent in bulk: <\/strong> Junk mail usually are sent to email lists with a lot of email addresses. This is done using email automation tools that allow thousands of emails to be sent in just a few minutes.<\/li>\n\n\n\n<li><strong>Irrelevant content:<\/strong> These emails usually contain information that <strong>is of no interest to the recipient<\/strong>. They can be advertisements for products, services, fake promotions, or even phishing attempts.<\/li>\n\n\n\n<li><strong>Lack of personalization<\/strong>: Unlike well-segmented <a href=\"https:\/\/mailrelay.com\/en\/glossary\/email-marketing-campaign\/\" target=\"_blank\" rel=\"noreferrer noopener\">email marketing campaigns<\/a>, junk mail lacks personalization. It doesn&#8217;t address the user by name or adapt the content to their interests or previous behavior.<\/li>\n\n\n\n<li><strong>Questionable origin<\/strong>: Many times, junk mail comes from unknown senders or email addresses that seem suspicious. This makes it difficult to identify the sender and verify the legitimacy of the message.<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">Why would anyone send Junk Mail?<\/h2>\n\n<p class=\"wp-block-paragraph\">People would send junk mail due to various reasons, including:<\/p>\n\n<h3 class=\"wp-block-heading\">Unethical marketing practices <\/h3>\n\n<p class=\"wp-block-paragraph\">Some companies resort to buying email lists or illegally collecting addresses to expand their reach. <\/p>\n\n<p class=\"wp-block-paragraph\">These practices go against data protection regulations and the informed consent of users.<\/p>\n\n<h3 class=\"wp-block-heading\">Malicious intentions: <\/h3>\n\n<p class=\"wp-block-paragraph\">Cybercriminals use junk mail as a tactic to carry out fraud, such as <a href=\"https:\/\/mailrelay.com\/en\/glossary\/phishing\/\" target=\"_blank\" rel=\"noreferrer noopener\">phishing<\/a>. <\/p>\n\n<p class=\"wp-block-paragraph\">Through emails that look legitimate, they seek to obtain users&#8217; personal or financial information.<\/p>\n\n<h2 class=\"wp-block-heading\">Impact of Junk Mail on Email Marketing<\/h2>\n\n<p class=\"wp-block-paragraph\">Junk mail not only negatively affects the user experience but also has significant repercussions on <a href=\"https:\/\/mailrelay.com\/en\/\" target=\"_blank\" rel=\"noreferrer noopener\">email marketing <\/a> strategies. <\/p>\n\n<p class=\"wp-block-paragraph\">Below are some of these impacts:<\/p>\n\n<h3 class=\"wp-block-heading\">Distrust in the channel: <\/h3>\n\n<p class=\"wp-block-paragraph\">The proliferation of junk emails can cause users to lose trust in email as a communication channel. <\/p>\n\n<p class=\"wp-block-paragraph\">This can lead users to ignore legitimate and relevant emails, affecting the effectiveness of email marketing campaigns.<\/p>\n\n<h3 class=\"wp-block-heading\">Low open rate: <\/h3>\n\n<p class=\"wp-block-paragraph\">Emails that end up in the spam folder or are considered junk mail usually have a low open rate. <\/p>\n\n<p class=\"wp-block-paragraph\">This means that important messages don&#8217;t get read, reducing the impact of campaigns.<\/p>\n\n<h3 class=\"wp-block-heading\">Damage to sender score reputation: <\/h3>\n\n<p class=\"wp-block-paragraph\">If a company is identified as a sender of junk emails, its reputation can be severely affected. <\/p>\n\n<p class=\"wp-block-paragraph\">Email service providers (<a href=\"https:\/\/mailrelay.com\/en\/glossary\/email-service-provider-esp\/\" target=\"_blank\" rel=\"noreferrer noopener\">ESPs<\/a>) may block or limit email sending from their servers, making it difficult to deliver future messages.<\/p>\n\n<h2 class=\"wp-block-heading\">Best Practices to Avoid Junk Mail<\/h2>\n\n<p class=\"wp-block-paragraph\">To prevent email marketing campaigns from being classified as junk mail, it is essential to follow a series of best practices:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Obtain the user&#8217;s consent: <\/strong>Before sending any e-mail, it is essential to obtain the explicit consent of the recipient. This can be achieved through subscription forms where users opt to receive messages.<\/li>\n\n\n\n<li><strong>Segment the audience<\/strong>: Segmentation allows you to send relevant and personalized messages to different user groups. By understanding recipients&#8217; interests and behaviors, you can create more effective and less invasive campaigns.<\/li>\n\n\n\n<li><strong>Personalize the content: <\/strong> Personalizing content is key to capturing the user&#8217;s attention. Using the recipient&#8217;s name, referring to previous purchases, or adapting the message to their interests increases the chances that the email will be opened and read.<\/li>\n\n\n\n<li><strong>Include unsubscribe options: <\/strong> It is important to always provide a clear and easy option for users to unsubscribe from mailing lists. This is not only an ethical practice but also a legal requirement in many jurisdictions.<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">Conclusion<\/h2>\n\n<p class=\"wp-block-paragraph\">Email marketing, when done correctly, can be a powerful tool for establishing and maintaining relationships with customers. <\/p>\n\n<p class=\"wp-block-paragraph\">Unlike junk mail, <strong>well-designed and executed email marketing campaigns provide value to the recipient, <\/strong> strengthen brand image, and promote customer loyalty.<\/p>\n\n<p class=\"wp-block-paragraph\">Using email marketing platforms like Mailrelay can help companies manage their contact lists, properly segment their audience, and design attractive and personalized emails. <\/p>\n\n<p class=\"wp-block-paragraph\">Additionally, these platforms often offer functionalities to comply with data protection regulations, ensuring that emails are sent ethically and legally.<\/p>\n\n<div style=\"background:#f2f6ff;border-left:4px solid #2c5cf6;padding:20px 24px;margin:24px 0;border-radius:4px;\">\n<p style=\"margin:0 0 12px 0;font-weight:600;font-size:18px;\">Ready to get started with Mailrelay?<\/p>\n<p style=\"margin:0 0 16px 0;\">Create your free account and send up to 20,000 emails a month at no cost.<\/p>\n<a href=\"https:\/\/mailrelay.com\/en\/signup\/?utm_medium=cta&#038;utm_campaign=glossary-en-batch\" style=\"display:inline-block;background:#2c5cf6;color:#ffffff;padding:12px 24px;border-radius:4px;text-decoration:none;font-weight:600;\">Create free account<\/a>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Related entries<\/h2>\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/mailrelay.com\/en\/glossary\/spam\/\" target=\"_blank\" rel=\"noreferrer noopener\">Spam<\/a> &#8211; <a href=\"https:\/\/mailrelay.com\/en\/glossary\/spamtraps\/\" target=\"_blank\" rel=\"noreferrer noopener\">Spamtraps<\/a> &#8211; <a href=\"https:\/\/mailrelay.com\/en\/glossary\/phishing\/\" target=\"_blank\" rel=\"noreferrer noopener\">Phishing <\/a>&#8211; Blackl<a href=\"https:\/\/mailrelay.com\/en\/glossary\/blacklist\/\" target=\"_blank\" rel=\"noreferrer noopener\">ist<\/a> &#8211; <a href=\"https:\/\/mailrelay.com\/en\/glossary\/spoofing\/\" target=\"_blank\" rel=\"noreferrer noopener\">Spoofing <\/a>&#8211; <a href=\"https:\/\/mailrelay.com\/en\/glossary\/can-spam-act\/\" target=\"_blank\" rel=\"noreferrer noopener\">CAN-SPAM Act<\/a><\/p>\n","protected":false},"template":"","class_list":["post-84175","glossary","type-glossary","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - 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Looking for a reliable email marketing platform? Join thousands of businesses using Mailrelay for better deliverability and pricing that scales with your contact list. Try Mailrelay free This type of email can come&hellip;","_links":{"self":[{"href":"https:\/\/mailrelay.com\/en\/wp-json\/wp\/v2\/glossary\/84175","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mailrelay.com\/en\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/mailrelay.com\/en\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":3,"href":"https:\/\/mailrelay.com\/en\/wp-json\/wp\/v2\/glossary\/84175\/revisions"}],"predecessor-version":[{"id":95750,"href":"https:\/\/mailrelay.com\/en\/wp-json\/wp\/v2\/glossary\/84175\/revisions\/95750"}],"wp:attachment":[{"href":"https:\/\/mailrelay.com\/en\/wp-json\/wp\/v2\/media?parent=84175"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}