--- title: IONOS Email canonical: https://saasranked.com/software/ionos-email/ category: Email Hosting points: 38 rank: 7 of 9 facts_checked: 2026-10-09 --- # IONOS Email Mailbox hosting on your own domain with a 50 GB mailbox per user and a free domain. 38 points out of 100. #7 of 9 email hosting services. Vendor: IONOS Inc.. Website: https://www.ionos.com/email-hosting - The 50 GB plan costs $3 per user a month on a 3-year term, against a listed $6 [2]. - Each user gets a 50 GB mailbox on Mail Business [2][10]. - IMAP and POP3 are supported; CalDAV and CardDAV are not mentioned [7]. - The terms give a 99.99% uptime credit for hosted web pages only and exclude email [3]. - A public status page lists Webmail, Sending Emails and Receiving Emails with past incidents [4]. Verdict: IONOS Email suits small teams that want a big mailbox and phone or chat help at a low introductory price [2]. Two-step sign-in with an authenticator app is available [8]. The catch: the plan is shown only on a 3-year term, the later price is not stated, and the terms give no uptime credit for email [2][3]. Best for: Small teams that want a large mailbox at a low introductory price. ## Points | Criterion | Line | Value | Points | Note | |---|---|---|---|---| | Price | Cost for a team of 5 | $30/mo | 3/12 | Email 50 GB, listed at $6 per user a month, times 5; $3 introductory on a 3-year term. Later price not stated [2]. | | Price | Free plan on your own domain | No | 0/6 | The plans page lists only paid plans and shows no free plan [2]. | | Price | Monthly billing | Not published | 0/4 | Not published on the vendor's plans page, which shows only a 3-year term for this plan [2]. | | Mailbox | Storage per mailbox | 50 | 10/10 | Help lists a 50 GB maximum mailbox for Mail Business [10]. | | Mailbox | Open mail and calendar protocols | IMAP, POP3 | 4/8 | Server details are valid for Mail Basic and Mail Business; CalDAV and CardDAV are not mentioned [7]. | | Mailbox | Shared calendar and contacts | Yes | 5/5 | Mail Business webmail has a calendar and contacts; public folders share appointments and contacts with other Mail Business users [14][15][16]. | | Mailbox | More than one domain | Not published | 0/3 | Not published on the vendor's plans page, which lists a free domain without a count [2]. | | Mailbox | Aliases and catch-all | Not published | 0/3 | Catch-all is documented, but aliases are not described on the vendor's help pages [9][13][14]. | | Security | Two-factor sign-in | Yes | 7/7 | Help documents authenticator-app two-step sign-in, valid for Mail Basic and Mail Business [8]. | | Security | Passkeys or security keys | Not published | 0/3 | Not published on the vendor's two-step sign-in article, which names only an authenticator app [8]. | | Security | Admins can require 2FA | Not published | 0/3 | Not published on the vendor's two-step sign-in article, which covers per-user setup only [8]. | | Security | Single sign-on (SAML) | Not published | 0/5 | Not found on the vendor's pages [1][14]. | | Security | SOC 2 Type II or ISO 27001 | Not published | 0/6 | Not published on the vendor's IT security page [5]. | | Security | SPF, DKIM and DMARC guides | Not published | 0/4 | Help gives SPF and DKIM steps but no DMARC setup guide [11][12]. | | Reliability and support | Written uptime commitment | No | 0/9 | Uptime credit in the terms covers web pages and excludes email outages [3]. | | Reliability and support | Public status page | Yes | 2/2 | Public status page lists Webmail, sending and receiving mail, with past incidents [4]. | | Reliability and support | Live support | Yes | 4/4 | Plan card lists 24/7 expert support; the page says help is by phone, chat or email [1][2]. | | Reliability and support | Mail migration tool | Yes | 3/3 | Help documents an email migration tool that copies mail from an external provider over IMAP or POP3 [6][17]. | | Reliability and support | Official phone apps | Not published | 0/3 | Not found on the vendor's help pages; only a general IONOS mobile app is linked [6]. | ## Plans | Plan | Price | Per month (USD) | |---|---|---| | Email, 50 GB (Mail Business) | $3 per user a month on a 3-year term (listed at $6) [2] | $6 | | Exchange, monthly | $9/month, cancel anytime [2] | $9 | Introductory prices apply for the term shown. The page gives no later price for the 50 GB plan, so we use the listed $6 per user a month [2]. ## Strengths - 50 GB mailbox per user on the cheapest plan with a custom domain [2][10]. - Plan cards list 24/7 expert support, and IONOS says help is available by phone, chat or email [1][2]. - Authenticator-app two-step sign-in is documented for Mail Business [8]. - An email migration tool and guides move mail from other providers by IMAP or POP3 [17]. - Mail Business public folders let users share calendars and contacts with each other [15]. ## Limits - The 50 GB plan is shown only on a 3-year term; the price after the term is not stated [2]. - The uptime credit covers web pages and excludes email outages [3]. - Aliases, CalDAV and CardDAV are not described on its help pages [7][13][14]. - The IT security page names no SOC 2 or ISO 27001 certification [5]. ## Vendor claims (not scored) - IONOS says its experts are available 24/7 by phone, chat or email [1]. ## Sources 1. [IONOS email hosting](https://www.ionos.com/email-hosting), IONOS, accessed 2026-10-09 2. [IONOS email hosting plans](https://www.ionos.com/office-solutions/email-hosting), IONOS, accessed 2026-10-09 3. [General terms and conditions](https://www.ionos.com/terms-gtc/general-terms-and-conditions/), IONOS, accessed 2026-10-09 4. [IONOS status page](https://www.ionos-status.com/), IONOS, accessed 2026-10-09 5. [IONOS IT security](https://www.ionos.com/it-security), IONOS, accessed 2026-10-09 6. [Email help center](https://www.ionos.com/help/email/), IONOS, accessed 2026-10-09 7. [Server information for IMAP, POP3 and SMTP](https://www.ionos.com/help/email/general-topics/ionos-mail-server-details-for-imap-pop3-and-smtp/), IONOS, accessed 2026-10-09 8. [Activate and configure two-step verification (2FA)](https://www.ionos.com/help/email/using-webmail/email-activate-and-configure-two-step-verification/), IONOS, accessed 2026-10-09 9. [Creating, using, and deactivating a catch-all email address](https://www.ionos.com/help/email/general-topics/creating-using-and-deactivating-a-catch-all-email-address/), IONOS, accessed 2026-10-09 10. [Size limitations for IONOS email accounts](https://www.ionos.com/help/email/general-topics/size-limitations-for-ionos-email-accounts/), IONOS, accessed 2026-10-09 11. [Email authentication with DKIM](https://www.ionos.com/help/domains/configuring-mail-servers-and-other-related-records/email-authentication-with-dkim/), IONOS, accessed 2026-10-09 12. [Using IONOS SPF to improve email delivery](https://www.ionos.com/help/domains/configuring-mail-servers-and-other-related-records/using-ionos-spf-to-improve-email-delivery/), IONOS, accessed 2026-10-09 13. [My emails help](https://www.ionos.com/help/email/my-emails/), IONOS, accessed 2026-10-09 14. [Mail Business help](https://www.ionos.com/help/email/mail-business/), IONOS, accessed 2026-10-09 15. [Creating Public Folders in Mail Business Accounts](https://www.ionos.com/help/email/managing-mail-business/creating-public-folders-in-mail-business-accounts/), IONOS, accessed 2026-10-09 16. [Importing calendar entries and tasks into IONOS Mail (Basic/Business)](https://www.ionos.com/help/email/managing-mail-business/importing-calendar-entries-and-tasks-into-ionos-mail-basic/business/), IONOS, accessed 2026-10-09 17. [Migrating Emails and Folders from an External Email Provider to IONOS](https://www.ionos.com/help/email/email-migration-service/migrating-emails-and-folders-from-an-external-email-provider-to-ionos/), IONOS, accessed 2026-10-09