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Thinking about SMTP relay service for your organization? Here’s what you need to know about it before you commit.

SMTP is the protocol deployed for transmission of emails between servers. Outbound SMTP refers to the protocol for emails sent by the user.

How fast-growing digital world to make work easy and effective with email forwarding. You will get to know why you should use email forwarding and what its use...

Outbound SMTP is used to reliably send email from any program with a high level of reliability. Highly reliable outbound SMTP for email clients and servers.

Discover the power of DKIM and how it enhances email security.

An outbound SMTP relay service ensures prompt and secure delivery of such business emails to the inbox of your recipients.

Detailed examples and suggest ways to prevent spear phishing threats.

Email Gateway provides cloud based enterprise email filtering for your entire company. We reliably deliver mail for over 20,000 businesses each day.

Verisend is registered in the MS365 tenant as an application and then deployed to one user, a group of users or to all users via a manifest.

Email authentication protocols like SPF, DKIM, and DMARC are supposed to stop attackers from pretending to be you and dupe your clients. But what if they

Read our privacy policy before you order any service. The privacy policy can be changed or upgraded. Carefully read every point before you agree!

Know if businesses require an additional backup tool to Office 365 Emails Backup.

Cybersecurity certifications are no longer just a checklist item. They are becoming a clear signal that an organisation takes digital risk seriously. As cyber

Having trouble with SPF validation failed errors? Learn how to understand and troubleshoot these errors, including common causes and solutions, to improve your...

Last Updated: Monday, July 22, 2019

The best Proofpoint alternatives providing similar features that ensure cost-effectiveness and email security.

Looking for alternatives to Sendgrid for your business email? Check out these 11 options and find the best fit for your needs.

A Guide on Email Deliverability

Real-time link click protection defends against malicious links in emails every time, on every device, from anywhere.

As the awareness of threats becomes more widespread, hackers and spammers are upping their game in an attempt to gain access to valuable information....

The best substitutes for Barracuda software considering features, reviews, and effectiveness.

Explore numerous Sendinblue alternatives available today for an advanced email marketing experience.

The sophistication of email threats is increasing, complicating the ability of businesses to safeguard their domains and reputation. DMARC XML reports provide

Learn what the "SPF Too Many DNS Lookups" error means and discover effective solutions to resolve the issue.

Learn why hosted solutions like Office 365 are vulnerable to phishing.

Information about the meaning of hosted email services as well as how to choose one

A secure email gateway is a crucial tool for an organization as well as individuals.

We are discontinuing Mail Hosting Services and ContinuityEmail effective September 30, 2025. After nearly 20 years of providing email hosting, we're ending

A dedicated, outgoing mail server offers the best delivery rate for all the crucial transactional and marketing e-mails.

Backup MX services help protect your messages when your mail server goes down. Up to 30 days in the queue, unlimited users - full access to logs.

Email-based cyberattacks have become so severe and rampant that you can no longer afford to make email security an afterthought. Attackers out there are ready

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The tech industry is ever changing and cyber attacks are becoming more and more sophisticated and advanced. You and your clients can now have a peace of mind

A mail relay SMTP service is the best way to manage such automated emails and batch sends.

Understand how cloud spam filters offer useful, versatile, and compatible performance.

Email authentication is critical to protecting your domain from spoofing, phishing, and delivery failures but even a small DNS misconfiguration can trigger

SMTP gateways are used when you send emails, but you might not know their exact job. Find out all about them in this article.

Email communications over the internet follow a well-defined protocol just as other means of digital communications such as mobile texts, voice-over-IP,

Learn how to fix SPF Permerror and SPF Temperror issues quickly with our step-by-step guide. Improve email deliverability and avoid spam filters.

You may have come across a term called “hosted SMTP.” But what is it? In this article, we give you all the details you need.

Learn how email forwarding services are useful and how to incorporate them into your information systems.

Automatic record flattening for all included domains in the record.Elimination of duplicated netblocks of all domains.Real-time SPF flattening, monitored

Security features are one of the most important parameters with which a company has to embed its server mailbox. This Article is all about securing a mailbox

The success of email delivery is largely influenced by effective domain authentication, with a crucial aspect often neglected being the SPF void lookup. When

SMTP Service (Simple Mail Transfer Protocol) is one of the protocols which allow you to send, relay, or forward emails.

Spam filter services prove to be the ideal solution to protect your business emails.

Phishing protection including spam filtering, outbound SMTP with DKIM, backup MX services, and Advanced Threat Protection. With 24x7 support included.

What is email filtering services, why you need them, and how you should approach making the right choice for yourself.

Understand how email backup is one of the most crucial aspects of information management.

Domain email forwarding helps enterprises to segregate and send each email to the right person.

Learn about SPF record checkers and how they ensure email deliverability.

Your organization is under attack! Email phishing attacks pose a serious threat to the bottom line, with the cost of just one successful attack running into

Before ordering any service to Duocircle, read our data security, chargeback, acceptable use, account ownership, legal request response and privacy policy.

Numerous Mimecast alternatives provide many efficient email security solutions to thwart cyber threats.

Know how to avoid any plight when your email servers go offline. Learn what an MX backup server is all about and how to choose one.

Most DMARC solutions treat each individual domain independently. This is good enough for small businesses, but it’s a serious obstacle for large enterprises

The Duocircle blog is a place where we highlights email tips and provide insight regarding online email management and our services.

Seamless Email Protection for Domino Servers. Try SpamSentinel Now!

Spam folder management with DuoCircle Smart Quarantine puts the burden of sorting spam on the sender

How transactional email service guarantees deliverability while offering unlimited scalability.

Phishing prevention is something people fail to do in their cybersecurity plan. Learn how to protect your organization.

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In the first quarter of 2022, financial institutions were targets of 23.6% of total phishing attacks across the globe. This was followed by web-based software