79 Leading DuoCircle Alternatives in 2024
Reviews, comparison, screenshots and more for the 79 leading alternatives to DuoCircle email service.
Written by
Forward Email Team
Published
10/2/24
Time to read
Less than 5 minutes
We recommend Forward Email as the best alternative to DuoCircle.
Email Service Comparison
Email Service | Pricing | Storage | Attachments | Open-Source | Sandboxed Encryption | Unlimited Domains | Unlimited Aliases | TTI | SMTP | IMAP | POP3 | API | E2EE | OpenPGP | WKD |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Forward Email⭐ RecommendedEmail for everyone | $3/mo | 10 GB pooled | 50 MB | Yes | Yes | Yes | Yes | TTI | Yes | Yes | Yes | Yes | ⚠️ Opt-in | Yes | Yes |
DuoCircleProtect Email Against Phishing, Spam and Malware | Requires you to talk to a sales team | Requires 3rd party | 50 MB | No | No | No | No | No | ❌ Requires 3rd party | ❌ Requires 3rd party | ❌ Requires 3rd party | Yes | No | No | No |
GmailSecure, smart, and easy to use email | $7.20/mo | 30 GB pooled | 25 MB | No | No | No | No | No | Yes | Yes | Yes | Yes | No | No | No |
PoboxUnlock your email identity | $50/yr | 50 GB | 25 MB | No | No | No | No | No | Yes | Yes | Yes | No | No | No | No |
NamecheapDo more with Professional Email, for less | $14.88/yr | 5 GB | 20 MB | No | No | No | No | No | Yes | Yes | Yes | No | No | No | No |
123 RegProfessional email that shows you mean business | £35.88/yr | 10 GB | 30 MB | No | No | No | No | No | Yes | Yes | Yes | No | No | No | No |
Microsoft 365Grow your business with Microsoft 365 | $72/yr | 1000 GB pooled | 150 MB | No | No | No | No | No | Yes | Yes | Yes | No | No | ⚠️ Microsoft 365 does not support PGP/MIME | No |
Mail.comFree email – Customized to your needs | $29.99/yr | 65 GB | 100 MB | No | No | No | No | No | Yes | Yes | Yes | No | No | Yes | No |
GoDaddyCreate a professional email using your domain | $35.88/yr | 10 GB | 20 MB | No | No | No | No | No | Yes | Yes | Yes | No | No | No | No |
GandiWe manage over 780,000 email addresses on our email servers, why not yours? | $3.99/mo | 10 GB | 25 MB | No | No | No | No | No | Yes | Yes | Yes | No | No | No | No |
GMXCreate a free email account fast | $29.99/yr | 65 GB | 100 MB | No | No | No | No | No | Yes | Yes | Yes | No | No | Yes | No |
FastmailFast, private email that’s just for you | $3/mo | 2 GB | 70 MB | No | No | No | No | No | Yes | Yes | Yes | No | No | ⚠️ Fastmail does support PGP, but not in their webmail; see this blog post for insight | No |
AOLAOL Mail is a free web-based email service provided by AOL, a division of Yahoo! Inc. | $12/yr | 1000 GB | 25 MB | No | No | No | No | No | Yes | Yes | Yes | No | No | No | No |
PosteoGreen, secure, ad-free | €1/mo | 2 GB | 50 MB | No | No | No | No | No | Yes | Yes | Yes | No | ⚠️ Opt-in | Yes | Yes |
SkiffPrivacy-first end-to-end encrypted email (NOTE: this company is no longer in business and shutting down service in August 2024) | $3/mo | 15 GB | 25 MB | ❌ Skiff claims to be open-source, but their back-end is actually closed-source | No | No | No | No | ❌ Skiff does not support SMTP and forces vendor lock-in | ❌ Skiff does not support IMAP and forces vendor lock-in | ❌ Skiff does not support POP3 and forces vendor lock-in | No | ⚠️ Supported, but Skiff manages your private keys and is closed-source | Yes | Yes |
Proton MailSecure email that protects your privacy | $3.99/mo | 15 GB | 25 MB | ❌ Proton Mail claims to be open-source, but their back-end actually is closed source | No | No | No | No | ❌ Requires you to download Proton Mail Bridge and forces vendor lock-in | ❌ Requires you to download Proton Mail Bridge and forces vendor lock-in | ❌ Proton Mail does not support POP3 | No | ⚠️ Proton Mail rewrites your emails | Yes | Yes |
Spam ScannerSpam Scanner is the best anti-spam, email filtering, and phishing prevention service | Free (built-in to Forward Email) | Requires 3rd party | Unknown | No | No | No | No | No | ❌ Requires 3rd party | ❌ Requires 3rd party | ❌ Requires 3rd party | Yes | No | No | No |
EgressStop more advanced phishing attacks | Requires you to talk to a sales team | Requires 3rd party | Unknown | No | No | No | No | No | ❌ Requires 3rd party | ❌ Requires 3rd party | ❌ Requires 3rd party | Yes | No | No | No |
MailinblackYour cybersecurity is our job | Requires you to talk to a sales team | Requires 3rd party | Unknown | No | No | No | No | No | ❌ Requires 3rd party | ❌ Requires 3rd party | ❌ Requires 3rd party | Yes | No | No | No |
AltospamAntispam, Antivirus & Anti-Phishing Software | Requires you to talk to a sales team | Requires 3rd party | Unknown | No | No | No | No | No | ❌ Requires 3rd party | ❌ Requires 3rd party | ❌ Requires 3rd party | Yes | No | No | No |
HeimdalOne Platform. Total Security. | Requires you to talk to a sales team | Requires 3rd party | Unknown | No | No | No | No | No | ❌ Requires 3rd party | ❌ Requires 3rd party | ❌ Requires 3rd party | Yes | No | No | No |
Check Point AvananPrevent Phishing before the Inbox with Email Security from Check Point | Requires you to talk to a sales team | Requires 3rd party | Unknown | No | No | No | No | No | ❌ Requires 3rd party | ❌ Requires 3rd party | ❌ Requires 3rd party | Yes | No | No | No |
TrustifiProtect Your Business Emails with AI-Powered Security | Requires you to talk to a sales team | Requires 3rd party | Unknown | No | No | No | No | No | ❌ Requires 3rd party | ❌ Requires 3rd party | ❌ Requires 3rd party | Yes | No | No | No |
LibraesvaEmail Security, Email Archiving, Phishing Awareness, DMARC | Requires you to talk to a sales team | Requires 3rd party | Unknown | No | No | No | No | No | ❌ Requires 3rd party | ❌ Requires 3rd party | ❌ Requires 3rd party | Yes | No | No | No |
MailfenceSecure and private email | $3.50/mo | 10 GB | 50 MB | No | No | No | No | No | Yes | Yes | Yes | No | ⚠️ Opt-in | Yes | Yes |
OOPSpamAutomate your Spam and Abuse Detection | $49/mo | Requires 3rd party | Unknown | No | No | No | No | No | ❌ Requires 3rd party | ❌ Requires 3rd party | ❌ Requires 3rd party | Yes | No | No | No |
N‑able Mail AssureEmail protection to help you secure and scale | Requires you to talk to a sales team | Requires 3rd party | Depends on inbound/outbound (e.g. 10 MB) | No | No | No | No | No | ❌ Requires 3rd party | ❌ Requires 3rd party | ❌ Requires 3rd party | Yes | No | No | No |
Vade SecureSimple, Sophisticated Email Security Powered by AI | Requires you to talk to a sales team | Requires 3rd party | 50 MB | No | No | No | No | No | ❌ Requires 3rd party | ❌ Requires 3rd party | ❌ Requires 3rd party | Yes | No | No | No |
Spam HeroCloud-Based Spam Filtering | $8/mo | Requires 3rd party | 50 MB | No | No | No | No | No | ❌ Requires 3rd party | ❌ Requires 3rd party | ❌ Requires 3rd party | Yes | No | No | No |
Abnormal SecurityCloud Email Security - Block Malicious Email Attacks | Requires you to talk to a sales team | Requires 3rd party | Unknown | No | No | No | No | No | ❌ Requires 3rd party | ❌ Requires 3rd party | ❌ Requires 3rd party | Yes | No | No | No |
DarktraceCyber security that learns you | Requires you to talk to a sales team (according to Amazon AWS Marketplace it may cost upwards of $30,000/mo) | Requires 3rd party | Unknown | No | No | No | No | No | ❌ Requires 3rd party | ❌ Requires 3rd party | ❌ Requires 3rd party | Yes | No | No | No |
FortinetGlobal Leader of Cybersecurity Solutions and Services | Requires you to talk to a sales team | Unknown | Unknown | No | No | No | No | No | ❌ Requires 3rd party | ❌ Requires 3rd party | ❌ Requires 3rd party | Yes | No | No | No |
Cisco Secure Email DefenseAdvanced protection to safeguard your inboxes | Requires you to talk to a sales team | Unknown | 100 MB | No | No | No | No | No | ❌ Requires 3rd party | ❌ Requires 3rd party | ❌ Requires 3rd party | Yes | No | No | No |
BarracudaCybersecurity Solutions: Email, Apps, Network, Data | Requires you to talk to a sales team | Unknown | 100 MB | No | No | No | No | No | ❌ Requires 3rd party | ❌ Requires 3rd party | ❌ Requires 3rd party | Yes | No | No | No |
mailbox.orgPrivacy made in Germany | €3/mo | 10 GB | 100 MB | No | No | No | No | No | Yes | Yes | Yes | No | No | Yes | Yes |
SpamTitanEmail Security Solutions | Rrequires you to talk to a sales team | Unknown | 150 MB | No | No | No | No | No | ❌ Requires 3rd party | ❌ Requires 3rd party | ❌ Requires 3rd party | Yes | No | No | No |
ProofpointThe leader in human-centric cybersecurity | See Proofpoint plans (requires you to talk to a sales team) (according to a Reddit thread it may cost upwards of +$1000-2000 per month) | Unknown | 150 MB | No | No | No | No | No | ❌ Requires 3rd party | ❌ Requires 3rd party | ❌ Requires 3rd party | Yes | No | No | No |
MimecastEmail & Collaboration Security | See Mimecast plans (requires you to talk to a sales team) (according to a Reddit thread it may cost upwards of +$1000-2000 per month) | Unknown | 200 MB | No | No | No | No | No | ❌ Requires 3rd party | ❌ Requires 3rd party | ❌ Requires 3rd party | Yes | No | No | No |
Apple Mail (iCloud)Private, secure, and personal email from Apple | $0.99 | 50 GB pooled | 20 MB | No | No | No | No | No | Yes | Yes | ❌ iCloud does not support POP3 | No | No | No | No |
ResendEmail for developers | $20/mo | No Resend does not support storage | 40 MB | No | No | Yes | Yes | No | Yes | No | No | Yes | No | No | No |
PostmarkThe email delivery service that people actually like | $15/mo | No Postmark does not support storage | 10 MB | No | No | No | No | TTI | Yes | No | No | Yes | No | No | No |
ImprovMXCreate free email aliases for your domain name | $9/mo | No ImprovMX does not support storage | 50 MB | No | No | No | No | TTI | Yes | No | No | Yes | No | No | No |
Get ResponseAn affordable, easy platform to send emails, grow your list, and automate communication | $187.20/yr | No Get Response does not support storage | 0.4 MB | No | No | Yes | Yes | No | Yes | No | No | Yes | No | No | No |
ActiveCampaignPostmark, the leading service for transactional email, is now part of ActiveCampaign | $15/mo | No ActiveCampaign does not support storage | 10 MB | No | No | No | No | TTI | Yes | No | No | Yes | No | No | No |
Amazon WorkmailAmazon WorkMail is a secure, managed business email and calendar service with support for existing desktop and mobile email client applications | $4/mo | 50 GB | 25 MB | No | No | No | No | No | Yes | Yes | No | No | No | No | No |
StartmailPrivate email you can trust | $7/mo | 20 GB | 25 MB | No | ❌ Startmail claims to use a User Vault, but this statement has not been audited and their source code is closed-source | No | No | No | Yes | Yes | Yes | No | ⚠️ Supported if both sender and recipient are using OpenPGP | ⚠️ Supports OpenPGP, but does not support WKD | No |
SimpleLoginReceive and send emails anonymously | $4/mo | No SimpleLogin does not support storage | 25 MB | Yes | No | Yes | Yes | No | No | No | No | No | ⚠️ Opt-in | Yes | No |
YahooYahoo Mail Plus helps you gain the upper hand on clutter in your inbox | $5/mo | 5000 GB | 25 MB | No | No | No | No | No | ❌ No longer supported | ❌ No longer supported | ❌ No longer supported | No | No | No | No |
AT&TAT&T Mail is now Yahoo Mail | $5/mo | 5000 GB | 25 MB | No | No | No | No | No | ❌ No longer supported | ❌ No longer supported | ❌ No longer supported | No | No | No | No |
SMTP.comTransactional and email relay API | $25/mo | No SMTP.com does not support storage | 15 MB | No | No | No | No | No | Yes | No | No | Yes | No | No | No |
SendgridGet your emails to the inbox—where they belong | $19.95/mo | No Sendgrid does not support storage | 30 MB | No | No | No | No | No | Yes | No | No | Yes | No | No | No |
SMTP2GOLike a first-class courier, for email | $10/mo | No SMTP2GO does not support storage | 50 MB | No | No | No | No | No | Yes | No | No | Yes | No | No | No |
MessageBirdOmnichannel automation platform for APIs, service & marketing | $20/mo | No MessageBird does not support storage | 100 MB | No | No | No | No | No | Yes | No | No | Yes | No | No | No |
MailtrapEmail Delivery Platform that delivers just in time. Great for businesses and individuals | $10/mo | No Mailtrap does not support storage | 10 MB | No | No | No | No | No | Yes | No | No | Yes | No | No | No |
MailjetEffortlessly create and deploy marketing and transactional emails in one place | $15/mo | No Mailjet does not support storage | 15 MB | No | No | No | No | No | Yes | No | No | Yes | No | No | No |
MailgunFlexible, scalable, and results driven email sending platform | $35/mo | No Mailgun does not support storage | 25 MB | No | No | No | No | No | Yes | No | No | Yes | No | No | No |
MigaduThe Missing Email | $9/mo | 30 GB | Unknown | No | No | No | No | No | Yes | Yes | Yes | No | ⚠️ Not encrypted | ⚠️ Does not allow you to upload OpenPGP key | No |
MailerSendIntuitive email API and SMTP | $288/yr | No MailerSend does not support storage | 25 MB | No | No | No | No | No | Yes | No | No | Yes | No | No | No |
HubSpotGrow better with HubSpot | $890/mo (varies, some plans do not include SMTP) | No HubSpot does not support storage | 20 MB | No | No | No | No | No | Yes | No | No | Yes | No | No | No |
Elastic EmailTake your email marketing and email delivery to the next level | $9/mo | No Elastic Email does not support storage | 10 MB | No | No | No | No | No | Yes | No | No | Yes | No | No | No |
Customer.ioSend messages people actually want to receive using real-time customer data | $100/mo | No Customer.io does not support storage | 2 MB | No | No | No | No | No | Yes | No | No | Yes | No | No | No |
BrevoThe most approachable CRM to cultivate lasting customer relationships across Email, SMS, Chat and more | $15/mo | No Brevo does not support storage | 20 MB | No | No | No | No | No | Yes | No | No | Yes | No | No | No |
Amazon Simple Email Service (SES)Get reliable, scalable email to communicate with customers at the lowest industry prices | $X/mo; varies, using shared IP's from SES are known to have negative effect on deliverability | No Amazon Simple Email Service (SES) does not support storage | 10 MB | No | No | No | No | No | Yes | No | No | Yes | No | No | No |
MandrillReach inboxes when it matters most | $33/mo | No Mandrill does not support storage | 25 MB | No | No | No | No | No | ❌ Requires paid add-on for Mandrill of at least $20/mo | No | No | Yes | No | No | No |
MailchimpTurn Emails into Revenue | $33/mo | No Mailchimp does not support storage | 25 MB | No | No | No | No | No | ❌ Requires paid add-on for Mandrill of at least $20/mo | No | No | Yes | No | No | No |
addy.ioProtect your real email address using email aliases | $4/mo | No addy.io does not support storage | 25 MB | Yes | No | No | Yes | No | No | No | No | No | No | No | No |
TutanotaSecure, green and ad-free. Email to feel good about | €36/yr | 20 GB | 25 MB | ❌ Tutanota claims to be open-source, but their back-end is actually closed-source | No | No | No | No | No | No | No | No | No | ⚠️ Tutanota does not support PGP | No |
ZohoSecure business email for your organization | $12/yr | 5 GB | 20 MB | No | No | No | No | No | Yes | Yes | Yes | No | No | No | No |
IntercomThe only AI customer service solution you need | $39/mo | No Intercom does not support storage | 20 MB | No | No | No | No | No | No | No | No | ❌ See blog post | No | No | No |
HEYWe finally fixed your email + calendar! | $99/yr + $12/mo per user | 100 GB | HEY does not use regular email attachments, which also prevents them from being encrypted with PGP | No | No | No | No | No | No | No | No | No | No | No | No |
HelpCrunchCustomer service software that covers all your business needs | $23/mo (for the mininum plan to send emails) | No HelpCrunch does not support storage | 10 MB | No | No | No | No | No | No | No | No | No | No | No | No |
OlarkCustomers want to talk to you. Make it easy | $29/mo | No Olark does not support storage | 50 MB | No | No | No | No | No | No | No | No | No | No | No | No |
ZendeskUnlock the power of customer experiences | $69/mo | No Zendesk does not support storage | 50 MB | No | No | No | No | No | No | No | No | No | No | No | No |
Help ScoutOne unified platform | $20/mo | No Help Scout does not support storage | 10 MB | No | No | No | No | No | No | No | No | No | No | No | No |
Crisp ChatGive your customer experience a human touch | $25/mo | No Crisp Chat does not support storage | 10 MB | No | No | No | No | No | No | No | No | No | No | No | No |
Drift ChatCreate enduring customer relationships | $2,500/mo billed annually ($30,000/yr) | No Drift Chat does not support storage | 25 MB | No | No | No | No | No | No | No | No | No | No | No | No |
Cloudflare Email RoutingEasily create addresses and route emails for free | $25/mo | No Cloudflare Email Routing does not support storage | 25 MB | No | No | No | No | No | No | No | No | No | No | No | No |
KlaviyoPower smarter digital relationships | $20/mo | No Klaviyo does not support storage | 0 MB | No | No | No | No | No | No | No | No | No | No | No | No |
YandexAn email address with your company's name is an easy way to stand out | ₽2988/yr | 100 GB | 30 MB | No | No | No | No | No | Yes | Yes | Yes | No | No | No | No |
TitanThe customer-centric business email service that helps you grow | Undisclosed | Undisclosed | 30 MB | No | No | No | No | No | Yes | Yes | Yes | No | No | No | No |
Email Service Screenshots
⭐ RecommendedOpen-source
Closed-source
Closed-source
Closed-source
Closed-source
Closed-source
Closed-source
Closed-source
Closed-source
Closed-source
Closed-source
Closed-source
Closed-source
Closed-source
Closed-source
Closed-source
Closed-source
Closed-source
Closed-source
Closed-source
Closed-source
Closed-source
Closed-source
Closed-source
Closed-source
Closed-source
Closed-source
Closed-source
Closed-source
Closed-source
Closed-source
Closed-source
Closed-source
Closed-source
Closed-source
Closed-source
Closed-source
Closed-source
Closed-source
Closed-source
Closed-source
Closed-source
Closed-source
Closed-source
Closed-source
Closed-source
Open-source
Closed-source
Closed-source
Closed-source
Closed-source
Closed-source
Closed-source
Closed-source
Closed-source
Closed-source
Closed-source
Closed-source
Closed-source
Closed-source
Closed-source
Closed-source
Closed-source
Closed-source
Closed-source
Open-source
Closed-source
Closed-source
Closed-source
Closed-source
Closed-source
Closed-source
Closed-source
Closed-source
Closed-source
Closed-source
Closed-source
Closed-source
Closed-source
Compare DuoCircle with 79 email services
- DuoCircle vs 123 Reg Comparison (2024)
- DuoCircle vs AOL Comparison (2024)
- DuoCircle vs AT&T Comparison (2024)
- DuoCircle vs Abnormal Security Comparison (2024)
- DuoCircle vs ActiveCampaign Comparison (2024)
- DuoCircle vs Altospam Comparison (2024)
- DuoCircle vs Amazon Simple Email Service (SES) Comparison (2024)
- DuoCircle vs Amazon Workmail Comparison (2024)
- DuoCircle vs Apple Mail (iCloud) Comparison (2024)
- DuoCircle vs Barracuda Comparison (2024)
- DuoCircle vs Brevo Comparison (2024)
- DuoCircle vs Check Point Avanan Comparison (2024)
- DuoCircle vs Cisco Secure Email Defense Comparison (2024)
- DuoCircle vs Cloudflare Email Routing Comparison (2024)
- DuoCircle vs Crisp Chat Comparison (2024)
- DuoCircle vs Customer.io Comparison (2024)
- DuoCircle vs Darktrace Comparison (2024)
- DuoCircle vs Drift Chat Comparison (2024)
- DuoCircle vs Egress Comparison (2024)
- DuoCircle vs Elastic Email Comparison (2024)
- DuoCircle vs Fastmail Comparison (2024)
- DuoCircle vs Fortinet Comparison (2024)
- DuoCircle vs Forward Email Comparison (2024)
- DuoCircle vs GMX Comparison (2024)
- DuoCircle vs Gandi Comparison (2024)
- DuoCircle vs Get Response Comparison (2024)
- DuoCircle vs Gmail Comparison (2024)
- DuoCircle vs GoDaddy Comparison (2024)
- DuoCircle vs HEY Comparison (2024)
- DuoCircle vs Heimdal Comparison (2024)
- DuoCircle vs Help Scout Comparison (2024)
- DuoCircle vs HelpCrunch Comparison (2024)
- DuoCircle vs HubSpot Comparison (2024)
- DuoCircle vs ImprovMX Comparison (2024)
- DuoCircle vs Intercom Comparison (2024)
- DuoCircle vs Klaviyo Comparison (2024)
- DuoCircle vs Libraesva Comparison (2024)
- DuoCircle vs Mail.com Comparison (2024)
- DuoCircle vs Mailchimp Comparison (2024)
- DuoCircle vs MailerSend Comparison (2024)
- DuoCircle vs Mailfence Comparison (2024)
- DuoCircle vs Mailgun Comparison (2024)
- DuoCircle vs Mailinblack Comparison (2024)
- DuoCircle vs Mailjet Comparison (2024)
- DuoCircle vs Mailtrap Comparison (2024)
- DuoCircle vs Mandrill Comparison (2024)
- DuoCircle vs MessageBird Comparison (2024)
- DuoCircle vs Microsoft 365 Comparison (2024)
- DuoCircle vs Migadu Comparison (2024)
- DuoCircle vs Mimecast Comparison (2024)
- DuoCircle vs Namecheap Comparison (2024)
- DuoCircle vs N‑able Mail Assure Comparison (2024)
- DuoCircle vs OOPSpam Comparison (2024)
- DuoCircle vs Olark Comparison (2024)
- DuoCircle vs Pobox Comparison (2024)
- DuoCircle vs Posteo Comparison (2024)
- DuoCircle vs Postmark Comparison (2024)
- DuoCircle vs Proofpoint Comparison (2024)
- DuoCircle vs Proton Mail Comparison (2024)
- DuoCircle vs Resend Comparison (2024)
- DuoCircle vs SMTP.com Comparison (2024)
- DuoCircle vs SMTP2GO Comparison (2024)
- DuoCircle vs Sendgrid Comparison (2024)
- DuoCircle vs SimpleLogin Comparison (2024)
- DuoCircle vs Skiff Comparison (2024)
- DuoCircle vs Spam Hero Comparison (2024)
- DuoCircle vs Spam Scanner Comparison (2024)
- DuoCircle vs SpamTitan Comparison (2024)
- DuoCircle vs Startmail Comparison (2024)
- DuoCircle vs Titan Comparison (2024)
- DuoCircle vs Trustifi Comparison (2024)
- DuoCircle vs Tutanota Comparison (2024)
- DuoCircle vs Vade Secure Comparison (2024)
- DuoCircle vs Yahoo Comparison (2024)
- DuoCircle vs Yandex Comparison (2024)
- DuoCircle vs Zendesk Comparison (2024)
- DuoCircle vs Zoho Comparison (2024)
- DuoCircle vs addy.io Comparison (2024)
- DuoCircle vs mailbox.org Comparison (2024)