Compare Mailcheck vs. WhoWorksThere

Looking for fast, easy solutions to protect your entire data lifecycle? Look no further. Melissa’s Web APIs offer a range of capabilities to keep your customer data clean, verified, and enriched, powered by AI-driven reference data. Our solutions work throughout the entire data lifecycle – whether in real time, at point of entry or in batch. • Global Address: Verify & standardize addresses in 240+ countries & territories with postal authority certified coding & premise-level geocoding. • Global Email: Verify email mailboxes, syntax, spelling & domains in real time to ensure they are deliverable. • Global Name: Verify, standardize & parse person & business names with intelligent recognition of millions of first & last names. • Global Phone: Verify phone as active, identify line type, & return geographic details, dominant language & carrier for 200+ countries. • Global IP Locator: Gain a geolocation of an IP address with lat & long, proxy info, city, region & country. • Property (U.S. & Canada): Return comprehensive property & mortgage data for 140+ million U.S. properties. • Personator (U.S. & Canada): USPS® CASS/DPV certified address checking, name parsing & genderizing, phone & email verification are all easily performed with this API. With these tools at your disposal, managing and protecting your customer data has never been easier.

We work with you to make sure your inbox providers don't send spam emails to your email. In just a matter of weeks, our clients have seen their open rates increase by more than DOUBLE! High-engagement recipients open emails and scroll down as they read. This should be done for almost all emails that are opened, as long as the content is not longer than the page. If a recipient takes an email from spam and goes out of their way, it is telling the inbox provider that they made a mistake. Inbox providers will be able to tell if you move an email from the promotions folder into the primary inbox that you don't agree with their sorting criteria. It and other similar emails should go directly to the primary mailbox. It shows that the recipient is interested in your email content. The inbox provider can interpret this as "This email is extremely important, please do not send it to spam."

PostScan Mail is a virtual mailbox service that provides individuals and businesses with a convenient and secure way to manage their postal mail online. With PostScan Mail, users can access their physical mail from anywhere in the world through their digital devices. The service allows users to view and manage their mail, receive notifications of new mail items, forward mail to any address, scan and shred unwanted mail, and even deposit checks remotely. PostScan Mail eliminates the need for physical mailboxes and offers a practical solution for people who are always on the go or live in multiple locations. It is a modern and efficient way to manage your postal mail, making your life easier and more streamlined.

Seobility crawls all pages linked to your website to check for errors. Each check section displays all pages that have errors, problems with on-page optimization, or issues regarding page content such as duplicate content. You can also examine all pages in our page browser to find out the problems. Each project is continuously crawled by our crawlers to monitor the progress of your optimization. If server errors or major problems occur, our monitoring service will notify you via email. Seobility provides an SEO audit and tips and tricks on how to fix any issues found on your website. These issues can be fixed by Google to make sure it can access all your relevant content and understand its meaning in order for it to be matched with the right search queries.

Proton Mail was founded in Switzerland, and all of our servers are located there. All user data is protected under strict Swiss privacy laws. All emails are encrypted automatically using end-to-end encryption. This means that even we cannot read or decrypt your emails. Your encrypted emails cannot therefore be shared with any third parties. To create your secure email account, you don't need to provide any personal information. We do not store IP logs that can be linked to your anonymous account. Your privacy is paramount. Email privacy should be accessible to everyone, according to us. Our code is open-source and basic Proton Mail accounts come free. Support the project by donating to it or upgrading to a paid account. Proton Mail is compatible with all devices without the need for software installation. Proton Mail Business allows you to keep your business email address. You can send and receive encrypted email both within and outside your organization.

Nimbler provides salespeople and marketers access to millions of verified business contacts, including personal and work emails that are validated in real time and even mobile numbers. You can easily find prospects based on many filters such as job title, seniority, department, industry and location. Our data is verified in real-time, so that your outbound emails reach the right customers. Nimbler is free to use and gives you unlimited access to high-quality leads and user seats.

Criminal IP is a cyber threat intelligence search engine that detects vulnerabilities in personal and corporate cyber assets in real time and allows users to take preemptive actions. Coming from the idea that individuals and businesses would be able to boost their cyber security by obtaining information about accessing IP addresses in advance, Criminal IP's extensive data of over 4.2 billion IP addresses and counting to provide threat-relevant information about malicious IP addresses, malicious links, phishing websites, certificates, industrial control systems, IoTs, servers, CCTVs, etc. Using Criminal IP’s four key features (Asset Search, Domain Search, Exploit Search, and Image Search), you can search for IP risk scores and vulnerabilities related to searched IP addresses and domains, vulnerabilities for each service, and assets that are open to cyber attacks in image forms, in respective order.

Almabase is the leading alumni engagement and donor management software built to work seamlessly with CRMs like Blackbaud, Salesforce, and Ellucian. Designed for educational institutions and advancement teams, Almabase helps you build lifelong relationships with your alumni community—without adding staff. With Almabase, you can: Acquire new donors through personalized digital campaigns Drive higher attendance for virtual and in-person events Increase engagement with automated email and text communication Launch branded alumni programs in minutes Track engagement across emails, directories, events, and giving Make data-driven decisions with powerful reporting tools Whether you’re looking to boost giving, grow attendance, or inspire volunteerism, Almabase gives you everything you need to engage thousands—at scale. #1 Alumni Management Platform for Blackbaud, Salesforce, and Ellucian users.

Tix is the key to successful events. Tix offers feature-rich ticketing, including integrated email marketing tools, social ditancing seats maps, timed admissions and donations. Season ticket renewals can also be made. Custom branding, integration with websites, and other services are available. All risk-free with no commitment and low fees. Get a free demo today by contacting us

Click2Mail transforms traditional mail with its online and on demand, SaaS print to-mail service. Click2Mail gives users access to tools that make it easy to create and mail postcards, letters, and other printed materials. Individuals and organizations can use Click2Mail's easy-to-use Mailing Online Publisher to create, address, and ship mailpieces from anywhere on the globe.