{"id":22100,"date":"2023-08-28T00:00:00","date_gmt":"2023-08-28T00:00:00","guid":{"rendered":"https:\/\/www.mailgun.com\/blog\/sinais-comuns-de-alerta-de-e-mail-de-phishing\/"},"modified":"2026-09-15T18:18:24","modified_gmt":"2026-09-15T18:18:24","slug":"sinais-comuns-de-alerta-de-e-mail-de-phishing","status":"publish","type":"blog","link":"https:\/\/www.mailgun.com\/pt\/blog\/deliverability\/sinais-comuns-de-alerta-de-e-mail-de-phishing\/","title":{"rendered":"Cinco sinais de alerta de e-mail de phishing"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><b>If you suspect you have received a phishing email impersonating Mailgun, please send the email headers to abuse@mailgun.com.<\/b><\/p>\n\n<p class=\"wp-block-paragraph\">When you get an email from a company that you recognize, you assume that the message you get is legitimate, why wouldn\u2019t it be?. Unfortunately, scammers have gotten particularly good at tricking you.\u00a0 Now, you find that you have to second guess any password reset and updating billing emails you receive thanks to these phishing attempts. But as phishing evolves, so do our detective skills. Follow along in this blog as we walk through the top 5 phishing warning signs and learn how to spot these red flags for yourself.<\/p>\n\r\n    <nav data-content-type=\"longform\" class=\"toc-block longform-spacings px-5 py-6 px-md-6 px-lg-7 py-md-7 bg-light fs-sm rounded-lg\" aria-labelledby=\"toc-title-1715\"><p class=\"h5 m-0\" id=\"toc-title-1715\">\u00cdndice<\/p><div class=\"d-flex mt-3\"><div class=\"w-auto fw-bold text-accent d-flex me-2\">01<\/div><div class=\"d-flex flex-column\"><a class=\"fw-bold scrollme link-body-color text-accent\" href=\"#what-are-phishing-emails\">What are phishing emails?<\/a><\/div><\/div><div class=\"d-flex mt-3\"><div class=\"w-auto fw-bold text-accent d-flex me-2\">02<\/div><div class=\"d-flex flex-column\"><a class=\"fw-bold scrollme link-body-color text-accent\" href=\"#anchor_5-common-signs-of-a-sophisticated-phishing-attempt\">5 common signs of a sophisticated phishing attempt<\/a><a class=\"scrollme link-body-color\" href=\"#message-headers\">Message headers<\/a><a class=\"scrollme link-body-color\" href=\"#landing-page-url\">Landing page URL<\/a><a class=\"scrollme link-body-color\" href=\"#sense-of-urgency\">Sense of urgency<\/a><a class=\"scrollme link-body-color\" href=\"#links-and-attachments\">Links and attachments<\/a><a class=\"scrollme link-body-color\" href=\"#strange-wording\">Strange wording<\/a><\/div><\/div><div class=\"d-flex mt-3\"><div class=\"w-auto fw-bold text-accent d-flex me-2\">03<\/div><div class=\"d-flex flex-column\"><a class=\"fw-bold scrollme link-body-color text-accent\" href=\"#what-else-can-you-do\">What else can you do?<\/a><\/div><\/div><\/nav>\n<h2 class=\"wp-block-heading\">What are phishing emails?<\/h2>\n\n<p class=\"wp-block-paragraph\">Phishing attacks are emails designed to spoof legitimate businesses to gain your personal information. <b>These emails lead to a deceptive landing page that asks you to input your personal data like your login or social security number, thus collecting your info.<\/b><\/p>\n\n<p class=\"wp-block-paragraph\">A few years ago, these phishing attempts were easier to spot. Bad grammar, broken email templates, and outdated logos used to be the best hallmark signs for a phishing email. Spammers caught on that they needed to be craftier, and create more convincing phishing emails. Take a look at this email message:<\/p>\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" class=\"wp-image-4432\" width=\"1200\" height=\"773\" src=\"https:\/\/www.mailgun.com\/wp-content\/uploads\/2025\/07\/phishing_email1.jpeg\" alt=\"Mailgun phishing email\" srcset=\"https:\/\/www.mailgun.com\/wp-content\/uploads\/2025\/07\/phishing_email1.jpeg 1200w, https:\/\/www.mailgun.com\/wp-content\/uploads\/2025\/07\/phishing_email1-300x193.jpeg 300w, https:\/\/www.mailgun.com\/wp-content\/uploads\/2025\/07\/phishing_email1-768x495.jpeg 768w, https:\/\/www.mailgun.com\/wp-content\/uploads\/2025\/07\/phishing_email1-1024x660.jpeg 1024w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n<p class=\"wp-block-paragraph\">Pretty compelling, right? But wait, it gets worse. This is the landing page it sends you to if you click the link:<\/p>\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" class=\"wp-image-4364\" width=\"1200\" height=\"942\" src=\"https:\/\/www.mailgun.com\/wp-content\/uploads\/2025\/07\/phising_2.jpeg\" alt=\"Fake Mailgun login page\" srcset=\"https:\/\/www.mailgun.com\/wp-content\/uploads\/2025\/07\/phising_2.jpeg 1200w, https:\/\/www.mailgun.com\/wp-content\/uploads\/2025\/07\/phising_2-300x236.jpeg 300w, https:\/\/www.mailgun.com\/wp-content\/uploads\/2025\/07\/phising_2-768x603.jpeg 768w, https:\/\/www.mailgun.com\/wp-content\/uploads\/2025\/07\/phising_2-1024x804.jpeg 1024w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n<p class=\"wp-block-paragraph\">This can fool just about anyone into thinking that the email they received is legitimate. Even the smartest person can have an off day where they fall for an email like this, especially if the scammers are doing a decent job at impersonating a trusted company. Now the spammer has your login credentials, and you can get locked out of your account due to the compromise.<\/p>\n\n<h2 class=\"wp-block-heading\">5 common signs of a sophisticated phishing attempt<\/h2>\n\n<p class=\"wp-block-paragraph\">Sometimes looking for spelling mistakes and formatting errors isn\u2019t enough. If the spammer has really committed to their scam, they\u2019ll do what it takes to make the email they send you look legitimate. Take for instance the email shown above, it looks like it came from Mailgun. The formatting on the email is a little off, but the biggest sign that jumps out to us is the from address. We as a company know that we don\u2019t have a `<a href=\"mailto:service@mailgun.org\" target=\"_tabs\" rel=\"noopener noreferrer\">service@mailgun.org<\/a>` address, but <b>not everyone is going to be privy to that information.<\/b><\/p>\n\n<h3 class=\"wp-block-heading\">Message headers<\/h3>\n\n<p class=\"wp-block-paragraph\">Instead, we advise that you take a look at the message headers. These headers will give you every single last detail of a message \u2013 including who and where it\u2019s actually coming from in the first place. You can usually find the headers by looking at the `more` options of a message, and clicking on `show original` from there, you will receive the headers.\u00a0<\/p>\n\n<p class=\"wp-block-paragraph\">For some, reading headers is second nature, but for those of you who aren\u2019t looking at phishing and spam attempts all day, you can use tools like <a href=\"https:\/\/mxtoolbox.com\/EmailHeaders.aspx\" target=\"_tabs\" rel=\"noopener noreferrer\">MXToolBox<\/a> to parse the headers for you. If it doesn\u2019t have the right <a href=\"https:\/\/www.mailgun.com\/pt\/blog\/email-authentication-your-id-card-sending\" target=\"_tabs\" rel=\"noopener noreferrer\">authentications<\/a> in place like DKIM tied to the message, it isn\u2019t coming from the real sender.<\/p>\n\n<h3 class=\"wp-block-heading\">Landing page URL<\/h3>\n\n<p class=\"wp-block-paragraph\">The URL of the landing page the email sends you to will always give away a phishing attempt. The example above is a bit tricky because the beginning of the URL looks pretty legitimate. It tries to trick you with the `mailgun-com,` hoping that your eyes will gloss over the fact that it isn\u2019t our website. If that isn\u2019t enough, the rest of the URL is just as bogus. <b>Always be sure to double-check the URL anytime you are sent a message asking for personal contact information.<\/b><\/p>\n\n<h3 class=\"wp-block-heading\">Sense of urgency<\/h3>\n\n<p class=\"wp-block-paragraph\">Part of the reason phishing attacks can be so successful are that they play on your need to resolve a problem by creating a false sense of urgency like \u201c<b>Your account will be closed in 24 hours\u201d, \u201cYour information is incorrect,\u201d \u201cWe noticed unusual activity and your account is at risk\u201d<\/b>.<\/p>\n\n<p class=\"wp-block-paragraph\"><b>Phishing emails that create a sense of urgency will ask you for immediate action.<\/b> This could be anything from following a link, inputting credit card details, or downloading a malicious file or attachment.<\/p>\n\n<h3 class=\"wp-block-heading\">Links and attachments<\/h3>\n\n<p class=\"wp-block-paragraph\">In order to get your sensitive information and personal data, cyber criminals have to trick you into giving it up. We\u2019ve shown you our landing page example, but another method is to convince you to download some kind of malware onto your computer. This allows scammers to gain access and steal your data another way. Look out for phrases like \u201c<b>download your bill<\/b>\u201d or \u201c<b>click this link to pay\u201d <\/b>that ask you to click a suspicious link.<\/p>\n\n<h3 class=\"wp-block-heading\">Strange wording<\/h3>\n\n<p class=\"wp-block-paragraph\">Even though phishing scams are growing more and more sophisticated, poor grammar and strange wording are still signs of a spam email. Here are a few examples:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><b>Dear <\/b><b><i>costumer<\/i><\/b><\/li>\n\n\n\n<li><b>We are able to offer you much better solutions<\/b><\/li>\n\n\n\n<li><b>Important message <\/b><b><i>form<\/i><\/b><b> your bank<\/b><\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">While spelling errors and sentence structure may be a dead giveaway, this is last on our list for a reason \u2013 <b>AI can be used to write these scam emails.<\/b> Since widespread, generative AI tools like <a href=\"https:\/\/www.mailgun.com\/pt\/blog\/email\/chatgpt-e-e-mail\/\" target=\"_tabs\" rel=\"noopener noreferrer\">ChatGPT<\/a> are relatively new, we haven\u2019t yet seen the full effects on the world of phishing. <b>It\u2019s important to remember that a scammer can\u2019t spoof everything.<\/b> So paying close attention to urls, domain names, sender addresses, and validating suspicious emails directly with the company they are impersonating are your first line of defense.<\/p>\n\n<h2 class=\"wp-block-heading\">What else can you do?<\/h2>\n\n<p class=\"wp-block-paragraph\">Outside of being vigilant about phishing attempts, there are some added steps you can take to keep yourself and your data protected. For starters, make sure you have <a href=\"https:\/\/www.mailgun.com\/pt\/blog\/lock-it-down-2-factor-authentication-account-security\" target=\"_tabs\" rel=\"noopener noreferrer\">2FA enabled<\/a> on every account you have. This added security measure makes it much harder for spammers to access your information. Consider using password generators and password banks to update your passwords regularly, just in case you have to update your login credentials in a pinch.<\/p>\n\n<p class=\"wp-block-paragraph\">Beyond that, <b>it\u2019s imperative that you inform the company that is being spoofed and the ESP the phishing email is coming from.<\/b> Once they are made aware of the situation, the company in question and the ESP can work on mitigating the reach of spammers sending out those messages.<\/p>\n    <div data-content-type=\"longform\"  class=\"callout text-body-color px-5 py-6 px-md-6 px-lg-7 py-md-7 longform-spacings rounded-lg bg-light\" data-theme=\"light\">\r\n\r\n        <div class=\"content-body\"> Want to learn what you can do as a sender to protect your recipients from phishing attacks? It\u2019s all about building a strong sender reputation, and incorporating authentication best practices. Check out our guide on <a href='https:\/\/www.mailgun.com\/pt\/blog\/deliverability\/autenticacao-e-mail-identidade-envio\/'>email authentication basics.<\/a><\/div>\r\n    <\/div>\r\n\n<p class=\"wp-block-paragraph\">Should you suspect that you\u2019ve received phishing attempts that look like they\u2019re coming from Mailgun, please send your message headers to abuse@mailgun.com. We\u2019ll take it from there.<\/p>\n    <div data-content-type=\"longform\" class=\"longform-spacings\">\r\n        <div class=\"cta bg-primary rounded-lg px-5 py-6 p-md-7 px-md-6\">\r\n                    <div class=\"form-subscription\">\r\n                            <div class=\"h4 mb-3\">\r\n                    Keep me posted! Get great resources in your inbox every week.                <\/div>\r\n                                    <form accept-charset=\"UTF-8\" action=\"\" enctype=\"multipart\/form-data\" data-form-subscription method=\"POST\" style=\"max-width: 400px;\">\r\n                <div class=\"row justify-content-between align-items-top g-2\">\r\n                    <div class=\"col-10\">\r\n                        <input type=\"email\" name=\"email\" class=\"form-control\" placeholder=\"Email\" autocomplete=\"email\" required>\r\n                        <div data-fs=\"error\" role=\"alert\" class=\"invalid-feedback\">\r\n                            Please complete this required field.                        <\/div>\r\n                    <\/div>\r\n                                            <div class=\"col-12 order-last mt-3 fs-xxs\" data-fs=\"acceptance\" style=\"display:none;\">\r\n                            \r\n                                <div class=\"form-check\">\r\n                                    <input id=\"formSubscriptionAcceptance-terms-1917\" class=\"form-check-input\"\r\n                                        type=\"checkbox\" name=\"terms\">\r\n                                    <label for=\"formSubscriptionAcceptance-terms-1917\" class=\"form-check-label text-body-color\">\r\n                                        I have read and agree to the Terms of Service.                                        <span class=\"hs-form-required\">*<\/span>\r\n                                    <\/label>\r\n                                <\/div>\r\n\r\n                            \r\n                                <div class=\"form-check\">\r\n                                    <input id=\"formSubscriptionAcceptance-privacy-1651\" class=\"form-check-input\"\r\n                                        type=\"checkbox\" name=\"privacy\">\r\n                                    <label for=\"formSubscriptionAcceptance-privacy-1651\" class=\"form-check-label text-body-color\">\r\n                                        I have read and agree to the Privacy Policy.                                        <span class=\"hs-form-required\">*<\/span>\r\n                                    <\/label>\r\n                                <\/div>\r\n\r\n                                                    <\/div>\r\n                    \r\n                                            <div class=\"col-12 order-last fs-xxs mb-0 mt-2 text-body-color\">\r\n                            Send me the Mailjet Newsletter. I expressly agree to receive the newsletter and know that I can easily unsubscribe at any time.                        <\/div>\r\n                    \r\n                    <div class=\"col-2\">\r\n                        <button type=\"submit\" value=\"Submit\" aria-label=\"Submit\" class=\"btn btn-secondary btn-icon\">\r\n                            <svg aria-hidden=\"true\" data-url=\"https:\/\/www.mailgun.com\/wp-content\/plugins\/sinch-core\/assets\/icons\/layout\/chevron-right.svg\"><\/svg>\r\n                        <\/button>\r\n                    <\/div>\r\n                <\/div>\r\n\r\n                <input type=\"hidden\" name=\"formSubscriptionRecaptchaToken\" data-fs=\"recaptcha-token\">\r\n                <input type=\"hidden\" name=\"customListID\" value=\"\">\r\n\r\n            <\/form>\r\n            <div data-fs=\"message-success\" style=\"display: none;\">\r\n                <p class=\"mb-0 mt-2 text-body-color\">\r\n                    Check your inbox monthly for your Mailjet Newsletter!                <\/p>\r\n            <\/div>\r\n        <\/div>\r\n        <\/div>\r\n    <\/div>\r\n","protected":false},"excerpt":{"rendered":"<p>Os e-mails de phishing est\u00e3o ficando cada vez mais sofisticados. Pode ser dif\u00edcil detect\u00e1-los, mas h\u00e1 sinais de alerta aos quais voc\u00ea deve ficar atento para proteger a si e aos seus dados. Veja o que voc\u00ea precisa saber.<\/p>\n","protected":false},"author":13,"featured_media":4376,"menu_order":0,"template":"","meta":{"_acf_changed":false,"footnotes":""},"blog_category":[21],"class_list":["post-22100","blog","type-blog","status-publish","has-post-thumbnail","hentry","blog_category-deliverability"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Sinais comuns de alerta de e-mail de phishing - Transactional Email API Service For Developers | Mailgun<\/title>\n<meta name=\"description\" content=\"Os e-mails de phishing est\u00e3o ficando cada vez mais sofisticados a cada dia. \u00c9 fundamental que voc\u00ea saiba quais sinais de alerta de e-mail de phishing deve observar. 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