Freedom251 › Personal Email Services
T-Online Mail

What T-Online Mail is
T-Online Mail is a freemium email service with web, Android, and iOS access, plus connections through standard desktop email programs. It provides @t-online.de and @magenta.de addresses, and existing @t-online.de holders can create additional @magenta.de addresses. Mailboxes can be opened in the browser E-Mail Center, Telekom Mail apps, or clients such as Outlook through POP3 or IMAP4. Freemail and Mail S include 1 GB of storage, up to 10 addresses, and spam protection. Mail M provides 15 GB, up to 50 addresses, 1 GB of monthly expandable storage, an ad-free Email Center, and configurable spam protection. Freemail allows up to 100 messages in 24 hours and 1,000 in 30 days; Mail M allows up to 300 in 24 hours. Telekom says mail is SSL-encrypted and stored in German data centers under German data-protection standards. Freemail is available to non-customers, while Mail S is the free option for Telekom customers. Freemail newsletters may contain advertising and arrive up to twice weekly.
Who it suits
It suits users wanting German email addresses with browser, mobile-app, or client access. Freemail is available to non-Telekom customers, while Mail S targets Telekom customers.
What it does well
- Free Freemail and Mail S options
- Web, Android, and iOS access
- POP3 and IMAP4 client support
- Spam filtering enabled by default
- Mail M includes 15 GB storage
What to know first
- Freemail newsletters may contain advertising
- Freemail sending limits apply
- Support is provided online in German
Limits
Freemail and Mail S include 1 GB of storage and up to 10 addresses. Freemail permits 100 outgoing emails per 24 hours and 1,000 per 30 days, while Mail M permits up to 300 per 24 hours.
Plans
| Plan | Billed and limits | Price |
|---|---|---|
| Freemail | 1 GB storage · up to 100 emails per day and 1,000 per month · attachments up to 32 MB · 10 email addresses | Free |
| Mail S | No minimum contract term · 1 GB storage · 10 email addresses · 30 folders · basic spam and virus protection · Sync-Plus for Telekom mobile or internet customers | Free |
| Mail M | Monthly; 3-month minimum term · 15 GB storage, expandable by 1 GB monthly · 50 email addresses · up to 300 emails per day · ad-free mailbox · configurable spam protection | €295 a month |
As telekom.de lists them, read 11 Oct 2026. The maker's own page has the final word.
Getting started
- Open the Telekom email website
- Choose Freemail if you are not a Telekom customer, or Mail S as a Telekom customer
- Create a mailbox with an available @t-online.de or @magenta.de address
- Open mail in the browser E-Mail Center or install the Android or iOS app
- Connect a standard email program with POP3 or IMAP4 if preferred
- Adjust spam settings in the Mail Center
Verdict
T-Online Mail offers free mailbox options plus a larger Mail M tier with ad-free access and expandable storage. Its German hosting, SSL encryption, aliases, and client protocols cover common email needs.
Questions
Is there a free plan?
Yes. Freemail is available to people who are not Telekom customers, and Mail S is the free email option for Telekom customers.
Which platforms are supported?
You can use the web E-Mail Center, Android and iOS apps, or standard email programs through POP3 and IMAP4.
How much storage is included?
Freemail and Mail S include 1 GB. Mail M includes 15 GB and can add 1 GB monthly.
Can I create aliases?
Yes. Existing @t-online.de holders can create additional @magenta.de addresses, and email aliases are supported.
Is the inbox ad-free?
Mail M includes an ad-free Email Center. Freemail may deliver an advertising newsletter up to twice weekly.
Where is data stored?
Telekom says email data is stored in data centers in Germany under German data protection standards.
Facts from T-Online Mail's own pages
- Access
- Users can access their mailbox through the E-Mail Center in a browser, Telekom Mail apps for Android and iOS, or standard email programs such as Outlook. · telekom.de, 11 Oct 2026
- Address options
- Existing @t-online.de address holders can create additional @magenta.de addresses through their Telekom Mail account. · telekom.de, 11 Oct 2026
- Ad-free inbox
- Yes · telekom.de, 19 Sept 2026
- Email aliases
- Yes · telekom.de, 19 Sept 2026
- Attachment limit
- 32 · telekom.de, 19 Sept 2026
- Eligibility
- Telekom Freemail is available to people who are not Telekom customers, while Mail S is described as the free email option for Telekom customers. · telekom.de, 11 Oct 2026
- Email protocols
- The service supports access through email clients using POP3 and IMAP4. · telekom.de, 11 Oct 2026
- Free plan
- Yes · telekom.de, 19 Sept 2026
- Headquarters
- Bonn, Germany · telekom.de, 28 Sept 2026
- Integrations
- Mail M customers can add MagentaCLOUD storage, with 3 GB for Freemail customers and 5 GB for Telekom connection customers available to add free of charge. · telekom.de, 11 Oct 2026
- Limits
- Freemail receives a newsletter that may contain advertising, delivered up to twice a week; each newsletter includes an unsubscribe option. · telekom.de, 11 Oct 2026
- Mailbox storage
- 15 · telekom.de, 19 Sept 2026
- Platform access
- web_mobile_desktop · telekom.de, 19 Sept 2026
- Product
- Telekom Mail provides email accounts with @t-online.de and @magenta.de addresses. · telekom.de, 11 Oct 2026
- Security
- Telekom says email communication is SSL-encrypted and data is stored in data centers in Germany under German data protection standards. · telekom.de, 11 Oct 2026
- Sending limits
- Freemail allows up to 100 emails in 24 hours and 1,000 in 30 days; Mail M allows up to 300 emails in 24 hours. · telekom.de, 11 Oct 2026
- Spam protection
- A spam filter is enabled when a Telekom Mail mailbox is first provided, and users can adjust incoming-mail spam protection settings in the Mail Center. · telekom.de, 11 Oct 2026
- Storage
- Freemail and Mail S include 1 GB of mailbox storage, while Mail M includes 15 GB and can add 1 GB monthly. · telekom.de, 11 Oct 2026
- Support
- Telekom provides online support in German through FAQs, tips, and instructions. · telekom.de, 11 Oct 2026
Where T-Online Mail stands on Freedom251
- Personal Email Services#30 of 115