Spam filter for 1&1 Mail on iPhone
Reduce spam, phishing, and junk mail in your 1&1 Mail inbox on iPhone - without changing email address or app.
Spamdrain works with your 1&1 Mail email to reduce unwanted mail on iPhone. It monitors your mailbox and removes unwanted messages quickly, so you can keep your address and apps.
1&1 Mail and IONOS inboxes on iPhone are frequently used with Apple Mail and Outlook. Spamdrain monitors the mailbox and removes unwanted 1&1 Mail messages quickly.
What Spamdrain filters on iPhone
Spamdrain works independently of your iPhone device and email app.
- Junk newsletters and mass email
- Phishing and scam messages
- Spoofed emails pretending to be trusted senders
- Repetitive unwanted senders
Review blocked email anytime and allow messages that were filtered by mistake.
Why spam still appears on iPhone
Most filtering happens at the provider level. While 1&1 Mail blocks some spam, graymail and evolving spam techniques can still slip through, so an extra layer helps keep your inbox clean.
How Spamdrain works with 1&1 Mail on iPhone
Connect your 1&1 Mail email
Link your 1&1 Mail mailbox once. No app change needed.
We check every incoming email
Spamdrain filters spam, scams, and graymail before delivery.
Spam and scams are filtered out
Suspicious messages are held back so your inbox stays clean.
Read email normally on iPhone
Keep using your favorite iPhone email apps as usual.
Compatible with iPhone email apps
- Apple Mail
- Outlook for iOS
- Gmail app
You don’t need to install a separate iPhone app to benefit from filtering.
Privacy and control
- Review blocked email anytime
- Allow senders with one click
- Adjust filtering strictness
- Your email remains private and under your control
Was die Nutzer sagen
Deine Daten bleiben privat
Du zahlst einen geringen Betrag an uns, damit wir deine Daten niemals an Dritte verkaufen müssen (im Gegensatz zu vielen anderen). Wir konzentrieren uns stattdessen voll und ganz darauf, dir den besten Spam-Filter der Welt anzubieten.
Häufig gestellte Fragen
If you need official setup or account information, these resources may help:
Stop 1&1 Mail spam on iPhone
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