How to Tell if an Email is a Scam

Phishing scams are getting smarter, and harder to spot.

What used to be obvious spam filled with bad spelling and generic greetings has evolved into highly targeted attacks that can fool even cautious users. With scammers now leveraging AI to craft convincing messages, knowing how to tell if an email is a scam is more important than ever.

Whether it’s a fake shipping alert, a fraudulent bank notification, or a spoofed message from your boss, one wrong click can lead to identity theft, financial fraud, or a compromised corporate network.

In this guide, we break down the most common red flags to look for, steps to verify suspicious emails, and exactly what to do if you think you’ve been targeted.

How to Tell if an Email is a Scam: Common Red Flags

Scam emails are designed to deceive, but they almost always leave behind clues. Whether it’s a suspicious message claiming to be from your bank or a fake shipping notification sitting in your inbox, learning how to tell if an email is a scam starts with recognizing the common red flags that most phishing emails share.

The more familiar you are with these signs, the faster you can spot a fraudulent email before it causes damage.

Misleading sender name and mismatched email domain

One of the first things to check in any suspicious email is whether the sender’s name matches the actual email address behind it. Scammers frequently spoof display names to impersonate legitimate companies, hoping you won’t look any further.

For example, an email might display “Amazon Support” as the sender, but the actual email address could be something like [email protected]. This mismatch between the display name and the email domain is a major red flag. Legitimate organizations send emails only from their official domain names.

Beware of doppelganger domains that closely resemble legitimate domains. Scammers register addresses that swap a single character, add a hyphen, or use a different extension to trick users at a glance. Always verify the full sender address, not just the name that appears in your email client.

Generic greetings

Phishing emails tend to use vague, impersonal greetings rather than addressing you by name. If an email opens with “Dear sir or madam,” “Dear valued customer,” or simply “Dear user,” that’s a warning sign.

Legitimate companies that have your account information will almost always personalize their communication with your name. A generic greeting suggests that the email was sent as part of a mass phishing campaign. Scammers blast thousands of messages at once without knowing who they’re targeting. The less personal the greeting, the more suspicious you should be.

Sense of urgency and threats

Scam emails rely heavily on urgency to push you into acting before you have time to think.

Phrases like “Your account will be suspended,” “Immediate action required,” or “You have 24 hours to respond” are designed to create a false sense of panic.

Scammers want you to click a link, open an attachment, or hand over sensitive information on impulse. Legitimate businesses do not threaten negative consequences or demand immediate action through a single email message. If something were truly urgent, you would receive communication through multiple verified channels, not just one suspicious email trying to rush you.

Don’t fall for it. Take a moment to pause, assess the email claims, and verify independently before doing anything.

Spelling errors and poor grammar

Many phishing emails contain noticeable spelling errors, grammatical mistakes, and inconsistent formatting.

Awkward sentence structures, random capitalization, missing punctuation, and bad spelling throughout the message are all signs that the email did not come from a professional, legitimate organization.

While some scammers are getting better at polishing their messages, especially with access to AI tools, sloppy writing remains one of the most common red flags in scam emails. If the language feels off, treat the email with extra caution.

Poor grammar combined with any other warning sign on this list should be enough to raise serious suspicion.

Suspicious links and attachments

Phishing emails frequently contain spoofed web links that appear to lead to a legitimate website but actually redirect you to a suspicious website built to steal your information. Before clicking any link in an email, hover over it to reveal the true destination URL. If the address doesn’t match what it claims to be, or if the domain looks unfamiliar, do not click it.

Suspicious attachments are equally dangerous. Scammers use unsolicited files, disguised as invoices, receipts, or documents, to deliver malware directly to your device.

Be especially cautious of file types like .exe, .zip, .rar, and .dmg, but keep in mind that even .pdf and .doc files can contain embedded malicious scripts.If you weren’t expecting an attachment from the sender, do not open it. When in doubt, verify the email through a separate channel before engaging with any content.

Requests for sensitive information

No legitimate company will ask you to confirm passwords, social security numbers, account numbers, or payment information through email. If an email claims you need to verify your login credentials or financial details by clicking a link or replying directly, it is almost certainly a scam.

Scammers phish for this personal data because it allows them to commit identity theft or gain access to your financial accounts.

Government agencies, banks, and reputable businesses will never email you out of the blue requesting private details. Any email that makes such a demand, regardless of how official it looks, should be treated as fraudulent.

Emails from unfamiliar senders or marked as external

Many email clients flag messages from outside your organization with an [External] tag. If you receive an unexpected email from an unfamiliar sender, particularly one requesting information, money, or immediate action, approach it with suspicion.

Unfamiliar senders combined with any of the red flags listed above should immediately raise your guard. Even if the message looks polished, treat it as a potential phishing attempt until you’ve verified the sender’s identity through a separate, trusted source.

How Scammers Are Evolving in 2026

Phishing attacks are no longer limited to poorly written emails from unknown senders. Scammers are employing advanced tactics that make their messages increasingly difficult to distinguish from legitimate communication. Understanding these evolving methods is critical if you want to stay ahead and protect yourself, your organization, and your data.

AI-generated personalization

One of the biggest shifts in phishing scams this year is the use of AI-generated personalization.

Scammers now leverage artificial intelligence to craft emails that reference your name, job title, recent purchases, or even ongoing projects. These are details that were once a reliable sign of a legitimate message.

This means many of the traditional red flags, like generic greetings or obviously fake email content, may no longer be present. The result is spam emails that feel personal, relevant, and convincing enough to fool even security-aware users.

Relying on old methods alone to spot a scam email is no longer enough.

Doppelganger domains and spoofed addresses

Doppelganger domains have become more sophisticated. Attackers register domain names that closely resemble legitimate domains, sometimes swapping just a single character or adding a subtle prefix. For example:

• “paypaI.com” using a capital “I” instead of a lowercase “l”
• “support-microsoft.com” instead of “microsoft.com”
• “amaz0n-security.net” replacing the letter “o” with a zero

At a quick glance, these fake domains look identical to the real thing. They make it much harder to verify whether an email is authentic just by checking the sender’s address.

Multi-channel phishing attacks

Phishing attempts now go well beyond your inbox. Scammers target individuals through text messages, phone calls, social media, and even collaboration platforms like Microsoft Teams.

A phishing attack might start with a suspicious message on one platform and follow up with a fraudulent email designed to reinforce the scam.

This multi-channel approach catches people off guard because they are not expecting a phishing attempt from a phone call or a chat message. Staying aware of these evolving tactics across all communication channels is essential, because the methods that helped you spot a scam email a few years ago may not be enough today.

How to Verify a Suspicious Email

If something about an email feels off, do not click any links, open attachments, or reply to it.

Instead, take a few moments to verify whether the message is legitimate. Knowing how to check a suspicious email can be the difference between staying safe and falling victim to a phishing scam.

Suggested read: What is AI Phishing? A Guide To Emerging Cyber Threats

Hover over links before clicking

Place your cursor over any link in the email to preview the actual URL. If the destination does not match the text displayed or leads to an unfamiliar domain, it is likely a spoofed link designed to send you to a suspicious website. Do not click it under any circumstances.

Confirm the sender’s email address carefully

Look beyond the display name and examine the full email address and domain. Scammers often use addresses that look similar to legitimate ones but contain subtle differences, such as extra characters, swapped letters, or unusual extensions.

If the email domain doesn’t match the official domain of the organization the email claims to be from, treat it as a red flag.

Check email headers for authentication failures

For a more technical check, examine the email headers to see whether the message passed SPF, DKIM, and DMARC authentication. Authentication failures are a strong indicator that the sender’s identity has been spoofed.

Most email clients allow you to view full headers under the message settings or properties.

Do not use contact information provided in the email

If an email asks you to call a number or visit a link to verify your account, do not use the contact details provided in that message.

Instead, go directly to the company’s official website or call a verified phone number to confirm whether the email is real. Scammers deliberately include fake contact information to keep you within their trap.

Search the email address online

Copy the sender’s email address and search for it online.

If others have received scam emails from the same address, you’ll likely find reports on fraud forums, scam databases, or community warning threads. This quick step can confirm your suspicions before you engage with the message in any way.

Simplify DMARC with PowerDMARC!

What to Do if You Clicked a Phishing Link

Even the most cautious users can occasionally fall for a well-crafted phishing email. If you suspect you’ve clicked on a phishing link, opened a suspicious attachment, or shared personal information with a scammer, acting fast is critical.

The sooner you respond, the better your chances of minimizing the damage.

Change your passwords immediately

If you entered login credentials on a suspicious website, change the passwords on all affected accounts right away.

Start with the compromised account, then update any other accounts where you use the same or similar passwords. Use strong, unique passwords for each account going forward.

Contact your bank or credit card company

If you believe your payment information or financial details have been compromised, contact your bank or credit card company immediately.

Let them know about the potential fraud so they can monitor your account for unauthorized transactions, freeze your card if necessary, and help you dispute any fraudulent charges.

Update your security software and run a scan

If you think you clicked on a phishing link or opened a suspicious attachment, update your security software right away and run a full scan of your device.

This can help detect and remove any malware that may have been installed without your knowledge. Set your software to update automatically so you’re always protected against the latest threats.

Report the phishing email

If you receive a phishing email or text message, report it to help fight scammers. You should report phishing messages to the appropriate authorities or organizations, including:

• Your email provider (Gmail, Outlook, and Yahoo all have built-in “Report phishing” options)
• Your organization’s IT or security team
• The FTC at reportfraud.ftc.gov
• The Anti-Phishing Working Group at [email protected]

Reporting helps protect others from falling for the same scam and assists authorities in tracking down the attackers.

Monitor your accounts for suspicious activity

After taking the immediate steps above, continue to monitor your email, bank accounts, and any other accounts that may have been affected.

Watch for unauthorized logins, unexpected password reset requests, or transactions you didn’t make. Early detection of suspicious activity can prevent further damage.

How to Protect Yourself From Phishing Scams

To truly stay safe, you need proactive defenses in place that reduce your risk before a phishing email ever reaches you. These steps apply whether you’re protecting yourself as an individual or securing your organization against phishing attacks.

Use phishing-resistant multi-factor authentication

Multi-factor authentication adds an extra layer of security to your accounts by requiring a second form of verification beyond your password.

Use phishing-resistant methods such as hardware security keys or authenticator apps rather than SMS-based codes, which can be intercepted. Even if a scammer manages to steal your login credentials, MFA can stop them from gaining access to your account.

Keep your security software and devices updated

Use security software to protect your computer and set it to update automatically. Do the same for your cell phone software, as automatic updates ensure your devices are always patched against the latest security threats.

Outdated software is one of the easiest entry points for malware delivered through phishing emails.

Back up your data regularly

Back up your data to an external hard drive or in the cloud to protect it from ransomware and other attacks.

If a phishing email leads to malware that locks or destroys your files, having a recent backup means you won’t lose everything. Make backups a regular habit, not something you only think about after an incident.

Verify before you click, download, or respond

Build the habit of pausing before interacting with any email that asks you to take action. Hover over links to check their destination. Do not open attachments from unknown sources.

Always verify the sender’s email address and confirm requests for money or information through a separate, trusted channel. These small steps can prevent the vast majority of successful phishing attacks.

Implement DMARC, SPF, and DKIM for your domain

If you’re a business owner or IT leader, protecting your domain from being spoofed in phishing scams is just as important as training your team to spot them.

Email authentication protocols like DMARC, SPF, and DKIM help prevent scammers from sending fraudulent emails that impersonate your organization’s domain.

PowerDMARC makes this process simple by combining DMARC, SPF, DKIM, and BIMI management into a single platform with advanced reporting and 24/7 expert support. It gives you complete visibility into who is sending emails on your behalf and blocks unauthorized senders before they reach anyone’s inbox.

Educate your team about phishing threats

Security is only as strong as the least aware person in your organization.

Educate your team about phishing threats to enhance overall security. Regular training sessions, simulated phishing exercises, and clear reporting procedures help employees recognize and respond to scam emails before they cause harm.

How to Report Suspicious Emails and Phishing Attempts

Reporting scam emails is crucial for protecting yourself and others from future attacks. Here’s how to properly report suspicious emails:

Report to your email provider

• Gmail: Use the “Report phishing” option in the message menu
• Outlook: Click “Report message” and select “Phishing”
• Yahoo: Use the “Spam” button and select “Report phishing”

Report to your IT/security team

• Forward the suspicious email to your organization’s security team
• Include full email headers for technical analysis
• Document any actions you took (clicked links, downloaded attachments)

Report to authorities

• FTC: Report to reportfraud.ftc.gov
• FBI IC3: File a complaint at ic3.gov for significant financial losses
• Anti-Phishing Working Group: Forward to [email protected]

Information to include when reporting

• Complete email headers
• Screenshots of the suspicious email
• Any URLs or attachments (without clicking them)
• Date and time received
• Description of why you found it suspicious

Stay Ahead of Email Scams With Smarter Protection

Email scams are not slowing down, and with attackers now using AI-generated personalization, doppelganger domains, and multi-channel phishing tactics, they are only getting harder to spot.

Knowing how to tell if an email is a scam is a critical skill, but awareness alone is not enough. Organizations need a combination of trained employees and robust email security infrastructure to stay truly protected.

PowerDMARC gives you that infrastructure. As the only platform that combines DMARC, SPF, DKIM, BIMI, and advanced reporting in one dashboard, it provides complete control over your domain’s email security.

You get full visibility into who is sending emails on your behalf, automated protection against domain spoofing, and actionable analytics that help you stop phishing attacks before they reach your team or your customers.

Don’t wait for a phishing scam to expose a gap in your defenses. Contact us today.

Frequently Asked Questions (FAQs)

1. What is an example of a fake email?

A fake email might claim to be from your bank with the subject “Account Suspended”, but comes from a suspicious domain like “[email protected]” instead of your bank’s official domain. It typically includes urgent language, requests for personal information, and contains spelling errors.

2. What do suspicious emails look like?

Suspicious emails often have generic greetings (“Dear Customer”), mismatched sender domains, urgent language creating false time pressure, poor grammar and spelling, suspicious links or attachments, and requests for sensitive personal information like passwords or Social Security numbers.

3. How do I check if an email is spam?

Check the sender’s domain against the claimed organization, look for spelling and grammar errors, verify any links by hovering over them, search the sender’s email address online for scam reports, and use email validation tools to check if the address is legitimate and deliverable.

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Ahona Rudra

Domain & Email Security Expert at PowerDMARC

Ahona is the Marketing Manager at PowerDMARC, with 5+ years of experience in writing about cybersecurity topics, specializing in domain and email security. Ahona holds a post-graduation degree in Journalism and Communications, solidifying her career in the security sector since 2019.

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