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The Simple Solution to Check & Verify Email Addresses to Improve Email Deliverability
Melissa Global Email Verification can remove up to 95% of bad email addresses to increase deliverability, avoid high bounce rates and blacklisting, and protect your valuable sender reputation.
- Ping each email in real time to ensure it is active and can receive mail to ensure a successful campaign
- Improve deliverability by correcting typos and illegal characters that lead to high bounce rates
- Reduce fraud by confirming only valid enter your systems
- Maintain CAN-SPAM compliance with FCC mobile domain detection
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How Our Email Verification Solution Works
Validates an address at point of entry so bad data never enters your system.
2 Parse & Standardise
Identifies common syntax errors, illegal characters and parses individual email address components. Checks and corrects most misspelled domain names, standardises casing.
3 Privacy Flag
The Privacy Flag will show a “Y” if the Top Level Domain might adhere to privacy laws such as GDPR.
4 Email Mailbox Verify
SMTP ping in real time to determine address exists and can receive email.
5 Deliverability Confidence Score
Returns the percentage probability that an email will successfully reach the intended mailbox.
A clean, deliverable address ready for mailing, order fulfilment, or analytics.
Real-Time Email Address Verification
Two levels of service are available depending on your speed & accuracy needs.
Global Email Premium provides real-time email mailbox checking domain-specific logic as well as SMTP commands and other proprietary mechanisms to validate inboxes are live. This can take up to 12 seconds per email address. Our built-in “time-to-wait” option allows you to customise how long you want customers to wait for a real-time validation.
- Global Email Express offers higher speeds and performance than Premium by using a cached inbox validation database of known good and bad emails. All emails sent to the service will also be cached so they can be re-evaluated within a 90-day cycle.
FCC Mobile Domain Detection
Global Email is enhanced with a list of mobile domain names updated by wireless service providers. This feature assists in maintaining CAN-SPAM compliance by indicating mobile email addresses that marketers are prohibited from subscribing without permission.
The top level domains or countries that may be sensitive to privacy laws. Returns Y for yes and N for no. Handle emails with a Y in privacy flag with caution.
The Privacy Flag will show a “Y” if the Top Level Domain might adhere to privacy laws such as GDPR. For example, the Top Level Domain “.de” is a German Top Level domain. Any Top Level Domain that end with a “.de” will have a “Y” in the Privacy Flag field. Any Top Level Domain that does not adhere to privacy laws will have an “N.”
Common Questions About Email Verification
An email verification tool checks and validates an email address at the point of entry or in batch to ensure an email address exists and can receive mail. This is important to avoid high bounce rates, being marked as SPAM, increasing deliverability, and protecting your sender’s reputation.
A global email verification and checking tool validates your email address information and will allow websites and custom applications to update email addresses in your database while verifying and correcting misspelled domain names.
You can use an email verification tool to:
- Verify and correct syntax errors in an address, check for illegal characters and extra “@” characters.
- Verify and correct top-level domain names.
- Check for and correct misspelled domain names.
- Check for and correct domains that have changed.
- Standardise casing in email addresses.
- Perform real-time mailbox validation.
- Check sender blacklist cautions.
- Pace email delivery based on confidence scores.
- Verify the email account (the inbox) does not exist at the given domain.
An email sender reputation is a score that an internet service provider (ISP) assigns to an organisation. The higher the score, the more likely an ISP will deliver emails to the recipient. on the other hand, if a score falls below a certain threshold, the ISP will more likely direct their emails to the recipients’ SPAM folders.
There are several factors that organisations should consider when sending out emails to ensure safe ISP filtering:
- The amount of email sent by the organisation.
- How many emails are being successfully delivered if sending in batch (i.e., email campaigns)
- How many emails bounce due to being incorrect, unknown, or other reasons.
- Level of engagement from recipients; this could mean replying, forwarding, clicking links, or deleting emails from an organisation.
- How many recipients unsubscribe from the organisation’s email list.
- How often an organisation may hit a recipient’s spam trap.
- An organisation’s inclusion on other blacklists.
Spam traps are a common challenge in email marketing and for organisations trying to outreach. Someone on your contact list changing jobs (and email addresses), subscribers opting out, and even purchased email lists containing bad emails are just a few examples.
Verifying your email list is a straightforward solution to ensure emails are valid and deliverable and flagged for any privacy laws like GDPR.
A valid email address is an address that conforms to the standard format and rules for email addresses. Here are the key components and criteria for a valid email address:
- Local Part: The local part appears before the @ symbol and can contain alphanumeric characters (a-z, A-Z, 0-9), as well as certain special characters. Common special characters include period (.), underscore (_), hyphen (-), and plus (+). The local part should not begin or end with a period and should not contain consecutive periods.
- @ Symbol: The @ symbol separates the local part from the domain part in an email address.
- Domain Part: The domain part appears after the @ symbol and typically consists of a domain name and a top-level domain (TLD). The domain name should consist of alphanumeric characters, hyphens, or periods. The TLD can be a generic TLD (e.g., .com, .org, .net) or a country code TLD (e.g., .us, .uk, .au).
- Length Limitations: Email addresses have certain length limitations. The total length of the local part and domain part combined should not exceed 254 characters. However, some email providers may have specific limitations on the length of the local or domain parts.
To check if an email address is valid, you can follow these steps:
- Syntax Verification: Start by checking the syntax of the email address. Ensure it follows basic email formatting, which consists of a local part (before the @ symbol), followed by the @ symbol, and a domain part (after the @ symbol). Additionally, check for common errors like missing or extra characters, spaces, or incorrect symbols.
- DNS MX Record Lookup: Perform a DNS (Domain Name System) MX record lookup for the domain part of the email address. MX records specify the mail servers responsible for handling emails for a particular domain. If there are no MX records found, it suggests that the domain is not configured to receive emails.
- SMTP Verification: Connect to the mail server associated with the email address and initiate an SMTP (Simple Mail Transfer Protocol) conversation. Start by sending a "HELO" or "EHLO" command to establish the connection. Then, verify the existence of the email address by sending a test email or using the "VRFY" or "RCPT TO" command.
- Response Analysis: Analyse the response received from the mail server. If the server responds with an OK status code (such as 250), it indicates that the email address is valid. However, if the server responds with an error code (such as 550 or 554), it suggests that the email address is invalid or does not exist.
- Disposable Email Address (DEA) Check: Consider checking if the email address is from a disposable email service. Disposable email addresses are temporary and often used for spam or fraudulent activities. Several online services provide databases of known disposable email providers that can be used for this purpose.
- Role Account Check: Some email addresses are not associated with individuals but rather with specific roles or functions (e.g., admin@, support@, info@). While these addresses may be valid, they are not typically used for personal communication.
The frequency of performing email verification depends on your specific needs and circumstances. Here are a few factors to consider when deciding how often to perform email verification:
- Email Acquisition Method: If you collect email addresses through an online form or registration process, it's beneficial to validate them in real-time or immediately after submission. This ensures that you capture valid email addresses from the start and prevent the accumulation of invalid or fake addresses in your database.
- Data Age and Source: If you have an existing email database that has been collected over a period of time, some email addresses may become outdated or invalid. In such cases, it's recommended to perform periodic email verification to ensure the accuracy and quality of your data. The frequency can depend on the rate of email address churn in your specific industry or target audience.
- Email Sending Frequency: If you regularly send emails, it's advisable to conduct regular email verification to maintain a clean and deliverable email list. By identifying and removing invalid or inactive email addresses, you improve your email deliverability rates and reduce the risk of being flagged as spam.
- Bounce Rates and Complaints: If you notice an increase in bounce rates (undeliverable emails) or recipient complaints, it may indicate that your email list needs verification. High bounce rates can negatively impact your sender reputation and deliverability. In such cases, you should consider verifying the email addresses in your list promptly.
- System Integration: If you have an automated system or process in place that relies on email addresses, consider incorporating email verification into your workflows. For example, you can verify email addresses during user registration or before sending important communications.
- Budget and Resources: The frequency of email verification may also depend on your available resources and budget. Some email verification services charge based on the number of email verifications performed, so you may need to consider the costs involved.
In general, performing email verification at regular intervals, such as quarterly or biannually, is a good practice to maintain good data quality and deliverability. However, if your email list is rapidly growing or if you have higher email engagement rates, more frequent verification, such as monthly or even weekly, may be beneficial.
Disposable emails, also known as temporary or throwaway emails, are email addresses that are created for short-term use or for a specific purpose. They are often used to protect personal information and maintain privacy when signing up for online services, accessing gated content, or participating in forums or discussions.
Some benefits of disposable emails include:
- Temporary Nature
- Anonymity and Privacy
- Email Forwarding or Self-Destruction
- Quick Setup
- Anti-Spam Measures
- Limited Functionality
- Publicly Available
It's important to note that while disposable email addresses provide convenience and privacy, they can also be misused for fraudulent activities, spamming, or creating fake accounts. To mitigate these risks, some online platforms and services implement measures to detect and block disposable email addresses during registration or communication processes.
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Melissa's Data Quality tools help organisations of all sizes verify and maintain data so they can effectively communicate with their customers via postal mail, email, and phone. Our additional data quality tools include
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