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SPECIFICTION
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KMail vs Zoho Mail

KMail

apps.kde.org

Zoho Mail

zoho.com

Side by side

FigureKMailZoho Mail
Price fromFree$0.08/mo
Free planYesYes
Free trial—Yes
Open source——
Web—Yes
Windows—Yes
macOS—Yes
LinuxYesYes
iOS—Yes
Android—Yes
API—Yes
Plans published111
Spec score · Email clients8.4 (#28)9.5 (#1)
Free planYesYes
IntegrationsKMail connects with KOrganizer for meeting invitations and KAddressBook for address completion, avatars, and cryptographic preferences.Native integrations include Zoho CRM, Creator, Projects and WorkDrive, while Zapier connects more than 750 third-party apps.
LicenseKMail is listed under the GPL-2.0+ license.The desktop client is distributed under a Zoho Software License Agreement for use with the hosted service.
Spam protectionIt can integrate with local spam checkers such as SpamAssassin or Bogofilter.Zoho Mail says its spam and phishing blockers protect users from socially engineered email attacks.
SupportKDE lists the KMail Handbook, forum, user mailing list, and Libera.Chat channel as help options.Zoho advertises 24x7 support by email and phone, while TechRadar also reports a broad knowledge base and guides.

Plans

KMail

  • FreeFree

KMail pricing →

Zoho Mail

  • Mail FreeFree
  • Mail Lite 5 GB$1 a month
  • Mail Lite 10 GB$1.25 a month
  • Mail Premium$4 a month
  • Forever FreeFree
  • Mail FreeFree
  • Mail Lite$1 a year
  • Workplace Standard$3 a year
  • Workplace Professional$6 a year
  • Mail Premium$48 a year

Zoho Mail pricing →

In their own words

KMail

KMail has no write-up on Specifiction yet; its figures are above.

Visit apps.kde.org

Zoho Mail

Zoho Mail provides custom-domain email hosting for businesses, with access through web, desktop and mobile apps. The free plan supports one domain and up to five users, each with 5 GB of mail storage; it excludes IMAP, POP and Active Sync. Paid plans start at $1/user/mo when billed annually, and a 15-day trial is listed. Security features include TLS, S/MIME and AES-256 encryption at rest, while administrative controls include role-based access, custom security policies, audit logs and eDiscovery. The service lists spam and phishing blockers, and Zia can draft replies and summarize long email threads. Zoho Mail MCP connects the service to AI apps. A migration tool can transfer emails, contacts and calendars from Google Workspace, Microsoft 365 or IMAP providers. Mobile apps combine email, calendar, contacts and files. Zoho says the service is GDPR compliant and has ISO/IEC 27001 and SOC 2 Type II certifications. Paid plans include 24×7 support by email, phone and live chat; the pricing comparison lists a 99.9% uptime guarantee for its plans.

Visit zoho.com