Best Email Security Services Providers

How Many Email Security Services Providers Products Does G2 Track?

Total Products under this Category: 147

Category Stats (Nov 2026)

  • Average Rating: 4.6/5 (↑0.09 vs Oct 2026) The average rating of products in this category, based on all submitted ratings
  • Top Trending Product: Premium Inboxes (+0.94%) - Among all products in this category, Premium Inboxes recorded the largest rating increase compared to last month

Last updated: November 12, 2026

How Does G2 Rank Email Security Services Providers Products?

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G2's software rankings are built on verified user reviews, rigorous moderation, and a consistent research methodology maintained by a team of analysts and data experts. Each product is measured using the same transparent criteria, with no paid placement or vendor influence. While reviews reflect real user experiences, which can be subjective, they offer valuable insight into how software performs in the hands of professionals. Together, these inputs power the G2 Score, a standardized way to compare tools within every category.

Premium Inboxes

Premium Inboxes provides managed cold email infrastructure for agencies, lead generation companies, and outbound sales teams. We help businesses launch and scale cold email campaigns without spending hours managing domains, DNS records, inbox configuration, authentication, warmup, monitoring, and replacements. Our team provisions and manages Google Workspace and Microsoft 365 inboxes, configures SPF, DKIM, and DMARC authentication, connects sending platforms, and maintains the infrastructure required for outbound campaigns. Customers can go live quickly while avoiding the complexity of building and managing the system internally. Premium Inboxes also provides ongoing infrastructure monitoring, bounce protection, blacklist checks, warmup management, inbox rotation, active and backup inbox tagging, throttling, alerts, and replacement support for flagged or failed inboxes. Our platform is designed for businesses that rely on cold email to generate leads, book meetings, and create sales pipeline. Whether you are launching a new outbound campaign or managing infrastructure across multiple clients and thousands of inboxes, Premium Inboxes helps you deploy faster and maintain reliable sending capacity as you grow. Premium Inboxes is more than an inbox provider. We provide the managed infrastructure and operational support businesses need to run cold email at scale.

Average Rating: 4.9/5.0

Total Reviews: 21

Who Is the Company Behind Premium Inboxes?

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of Premium Inboxes?

SHI

SHI is a global leader in IT solutions and a value-added reseller, trusted by more than 17,000 organizations worldwide for over 35 years. With a team of 6,000 dedicated professionals, we deliver customized technology solutions across industries including finance, healthcare, manufacturing, education, and more. Our extensive partnerships with top technology providers — including AWS, Cisco, CrowdStrike, Dell, HP, Microsoft, Palo Alto, Pure Storage, and others — enable us to deliver industry-leading solutions tailored to your unique needs. As a top-tier Microsoft partner, SHI provides comprehensive Microsoft Services, from Azure and Microsoft 365 deployments to cloud migrations, security assessments, and licensing advisory. Our experts help you maximize your Microsoft investments through strategic consulting and seamless implementation. Our broad portfolio also includes: • SHI Complete: Managed IT services that support your entire technology lifecycle, from procurement and deployment to ongoing management and support. • Additional services: Cybersecurity, data center integration, device imaging and configuration, software asset management, flexible financing, and continuous support. • SHI One: An integrated digital platform for managing your IT assets, licenses, and support, offering actionable insights and operational efficiency. By leveraging the scale and portfolio of a global solutions integrator combined with the resources and personalized service of a local VAR, we’ll help you make better technology decisions. With SHI, you gain a trusted partner committed to helping you solve what’s next.

Average Rating: 4.7/5.0

Total Reviews: 136

Who Is the Company Behind SHI?

Who Uses This Product?

  • Top Industries: Manufacturing, Construction
  • Company Size: 14% Medium, 12% Large

What Do G2 Reviewers Say About SHI?

AI-generated summary from verified user reviews

Pros
  • Users highlight the exceptional customer support from SHI, emphasizing proactive service and personalized attention from account executives.
  • Users highlight the exceptional helpfulness of SHI, praising their knowledgeable support and dedicated account representatives.
  • Users commend the collaborative support from SHI, appreciating how the team integrates seamlessly with their business.
  • Users value the expertise and support provided by SHI, enhancing their overall service experience significantly.
  • Users praise the quick response time of SHI, highlighting excellent customer service and timely communication from executives.
Cons
  • Users find SHI to be more expensive than manufacturer options, yet some appreciate the value of high-quality service.
  • Users are frustrated by frequent staff turnover, which disrupts relationships and affects service consistency.
  • Users find that integration issues with AE switches disrupt their workflow, especially after company acquisitions.
  • Users find the limited availability of SHI frustrating, especially in regions where services are not provided.
  • Users desire more transparency and automation in tracking billing renewals and costs for a smoother experience.

What Are Recent G2 Reviews of SHI?

IT GOAT

IT GOAT is an IT Managed Services Provider that is focused on Business Outcomes for our clients. Everything we do at IT GOAT, we do to give our clients a competitive advantage. The way we give our clients a competitive advantage is by reducing time and cost to manage their own IT while eliminating IT downtime. By doing so, our clients are able to reallocate more time and money back in their business so they can outperform their competition.

Average Rating: 4.9/5.0

Total Reviews: 9

Who Is the Company Behind IT GOAT?

  • Seller: IT GOAT
  • Year Founded: 2018
  • HQ Location: Dallas, US
  • LinkedIn® Page: www.linkedin.com
    32 employees on LinkedIn®

Who Uses This Product?

  • Top Industries: Insurance
  • Company Size: 100% Small

What Are Recent G2 Reviews of IT GOAT?

What Are G2 Users Discussing About IT GOAT?

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Saffron Guru LLC

Saffron Guru LLC Remote & On-Site IT Support and Advanced Digital Security Solutions Founded in April 2016, Saffron Guru delivers expert remote and on-site IT support and comprehensive digital security solutions for small businesses, freelancers, and home-office environments across the U.S. and Canada. For a full decade, we have helped clients solve technology roadblocks while keeping them shielded from modern online threats—all backed by clear communication, absolute care, and advanced online security solutions. IT Support Services When your tech acts up, we fix it. We handle Windows PCs and Macs, performance slowdowns, system maintenance, and fresh device resets. From printer setup and troubleshooting, Wi-Fi and router configuration, network drops, Outlook mail glitches, Microsoft Office, accounting and business software to complex tech issues, we go to whatever lengths it takes to solve the problem so you can just work. Backup and Data Protection Files disappear and hardware dies—that is why we set up automated local and cloud backups to keep your critical documents safe and recoverable. If data loss does occur, our team steps in to recover your files and get you back on track fast. Security That Goes Beyond Antivirus Traditional antivirus alone is no longer enough, and Saffron Guru is built around that reality. Our multi-layered digital security solutions go beyond conventional software to defend against phishing attacks, hacking attempts, account takeovers, identity theft, digital scams, ransomware, malicious downloads, unauthorized software, and zero-day threats. Protections include strict download controls, safer browsing habits, device safeguards, account security hardening, and real human guidance when an online threat appears. A Decade of Trusted Service As a BBB Accredited Business with consistently strong ratings across Google, Facebook, Trustpilot, and the BBB, our entire reputation since 2016 is built one client at a time through transparent results, clear communication, and an absolute commitment to customer satisfaction. Complete, Human-Centered Support By uniting expert IT troubleshooting, advanced digital security solutions, and direct access to real human help under a single model, Saffron Guru helps clients keep their technology running smoothly, reduce digital risk, and operate with total confidence and peace of mind.

Average Rating: 5.0/5.0

Total Reviews: 4

Who Is the Company Behind Saffron Guru LLC?

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of Saffron Guru LLC?

Trustwave Services

Trustwave helps businesses fight cybercrime, protect data and reduce security risk. With cloud and managed security services, integrated technologies and a team of security experts, ethical hackers and researchers, Trustwave enables businesses to transform the way they manage their information security and compliance programs.

Average Rating: 4.1/5.0

Total Reviews: 7

Who Is the Company Behind Trustwave Services?

  • Seller: Singtel
  • Year Founded: 1879
  • HQ Location: Singapore, Singapore
  • LinkedIn® Page: www.linkedin.com
    8,377 employees on LinkedIn®
  • Ownership: SGX:Z74
  • Total Revenue (USD mm): $16,542

Who Uses This Product?

  • Company Size: 57% Small, 29% Medium

What Are Recent G2 Reviews of Trustwave Services?

AT&T Network Services

Our cybersecurity products and services are powered by AT&T Threat Intellecta proprietary combination of cutting-edge technology, experienced staff, and proven processes. Threat Intellect provides a revolutionary security experience, so you can focus on what you do best.

Average Rating: 4.9/5.0

Total Reviews: 6

Who Is the Company Behind AT&T Network Services?

  • Seller: AT&T Inc.
  • Year Founded: 1876
  • HQ Location: Dallas, TX
  • LinkedIn® Page: www.linkedin.com
    195,339 employees on LinkedIn®
  • Ownership: NYSE: T
  • Phone: +1.210.821.4105

Who Uses This Product?

  • Company Size: 67% Medium, 17% Large

What Are Recent G2 Reviews of AT&T Network Services?

What Are G2 Users Discussing About AT&T Network Services?

Brisk Pebble

We are offering SEO Services

Average Rating: 4.8/5.0

Total Reviews: 2

Who Is the Company Behind Brisk Pebble?

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of Brisk Pebble?

Centric Consulting

Centric Consulting is an international management consulting firm that solves its clients' toughest problems through deep expertise, tailored solutions, and cost efficiency. For 27 years, the firm has provided unmatched client experiences, deploying strategic advisors to tackle complex business and technology challenges in AI, cyber risk and compliance, data analytics, people and change, Microsoft, Salesforce, and more. Learn more at centricconsulting.com.

Average Rating: 3.8/5.0

Total Reviews: 17

Who Is the Company Behind Centric Consulting?

Who Uses This Product?

  • Company Size: 47% Large, 35% Small

What Are Recent G2 Reviews of Centric Consulting?

What Are G2 Users Discussing About Centric Consulting?

Spider IQ by Spider Gadget

SpiderIQ never stops watching. Our distributed scan engine crawls your entire digital footprint internal/external domains, subdomains, APIs, cloud assets, open ports, and misconfigured services and updates your attack surface map in real time, every minute of every day. Auto-discovers new assets within minutes of deployment Covers external perimeter, internal networks, and cloud environments Detects misconfigurations, exposed secrets, and open ports

Average Rating: 4.8/5.0

Total Reviews: 2

Who Is the Company Behind Spider IQ by Spider Gadget?

Who Uses This Product?

  • Company Size: 100% Large

What Are Recent G2 Reviews of Spider IQ by Spider Gadget?

BAE Systems

BAE Systems is a global defence, aerospace and security company employing around 88,200 people worldwide. Our wide-ranging products and services cover air, land and naval forces, as well as advanced electronics, security, information technology, and support services.

Average Rating: 1.5/5.0

Total Reviews: 1

Who Is the Company Behind BAE Systems?

  • Seller: BAE Systems
  • Year Founded: 2016
  • HQ Location: Falls Church, US
  • LinkedIn® Page: www.linkedin.com
    17,268 employees on LinkedIn®
  • Ownership: LON: BA

Who Uses This Product?

  • Company Size: 100% Medium

What Are G2 Users Discussing About BAE Systems?

Cyberalpha Consulting LLP

CyberAlpha Consulting LLP is a cybersecurity and information security consulting company providing VAPT, application and infrastructure security testing, cloud security assessments, security audits, risk assessment, GRC, and compliance consulting. We help organizations identify and address security risks, strengthen their security posture, and align their security programs with applicable industry standards and regulatory requirements.

Average Rating: 5.0/5.0

Total Reviews: 1

Who Is the Company Behind Cyberalpha Consulting LLP?

Who Uses This Product?

  • Company Size: 100% Medium

What Are Recent G2 Reviews of Cyberalpha Consulting LLP?

CyberDuo

CyberDuo is a leading IT and Cybersecurity consultant based in Los Angeles. We make businesses more productive at the same time protecting them from external and internal cyber threats. Our services include Managed IT and Managed Security services, Cloud Computing and Compliance. In the world of IT, Cybersecurity became one of the challenging parts and that's the area we're extremely passioned about. Secure IT is what CyberDuo stands for.

Average Rating: 4.9/5.0

Total Reviews: 9

Who Is the Company Behind CyberDuo?

  • Seller: CyberDuo
  • Year Founded: 2010
  • HQ Location: Los Angeles, California
  • LinkedIn® Page: www.linkedin.com
    31 employees on LinkedIn®

Who Uses This Product?

  • Top Industries: Information Technology and Services
  • Company Size: 78% Medium, 67% Small

What Are Recent G2 Reviews of CyberDuo?

What Are G2 Users Discussing About CyberDuo?

Logix Cloud Email

Logix Cloud Email is an enterprise-class email, calendar and collaboration solution offering innovative messaging experiences, connecting end users to the information and activity in their personal clouds.

Average Rating: 5.0/5.0

Total Reviews: 1

Who Is the Company Behind Logix Cloud Email?

Who Uses This Product?

  • Company Size: 100% Large

What Are Recent G2 Reviews of Logix Cloud Email?

What Are G2 Users Discussing About Logix Cloud Email?

NevTan Mail

NevTan Mail is a secure business email platform designed to help organizations manage professional communication with reliability, security, and ease. As part of the NevTan ecosystem, it provides custom domain email hosting, enterprise-grade security, spam and malware protection, high availability, and seamless access across web and mobile devices. The platform is built for startups, growing businesses, and enterprises that need dependable email services without the complexity of managing their own infrastructure. With a focus on performance, privacy, and collaboration, NevTan Mail enables teams to communicate efficiently while integrating with the broader NevTan product suite, including cloud infrastructure, digital agreements, and customer engagement solutions. It offers businesses a scalable and secure email solution backed by modern technology and enterprise-level support.

Average Rating: 5.0/5.0

Total Reviews: 1

Who Is the Company Behind NevTan Mail?

  • Seller: NevTan
  • Year Founded: 2020
  • HQ Location: Boca Raton, US
  • LinkedIn® Page: www.linkedin.com
    11 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Medium

What Are Recent G2 Reviews of NevTan Mail?

NoteGate

NoteGate is documentation compliance software for NDIS, aged care and DVA providers, published by AgenticX Australia. It checks shift notes, incident reports and care plans against participant-specific rules and the relevant standards before they are saved, with clear guidance when a record falls short. Incident reporting, risk registers, corrective actions and plan review reports are built in, and everything feeds an audit pack ready for review. Data stays in Australia. Pricing is per participant, with unlimited workers.

Average Rating: 5.0/5.0

Total Reviews: 1

Who Is the Company Behind NoteGate?

Who Uses This Product?

  • Company Size: 100% Medium

What Are Recent G2 Reviews of NoteGate?

Lauren Worth
LW
Researched and written by Lauren Worth
Updated October 12, 2026