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IONOS / 1&1 Email Settings
Last updated: February 21, 2026
How to connect your IONOS / 1&1 email account () to InflowMail.
Server Settings
Incoming Mail (IMAP)
- Server
- imap.ionos.com
- Port
- 993
- Security
- SSL/TLS
Outgoing Mail (SMTP)
- Server
- smtp.ionos.com
- Port
- 587
- Security
- SSL/TLS
Notes
Use your IONOS email password.
How to Connect IONOS / 1&1 to InflowMail
- 1 Create an InflowMail account or sign in to your existing account.
- 2 Go to Settings > Connected Accounts and click Add Account.
- 3 Select IMAP and enter your email address. InflowMail will auto-detect the server settings.
- 4 Enter your email password to authenticate.
- 5 Your emails will start syncing immediately. The initial sync may take a few minutes for large mailboxes.
Ready to connect IONOS / 1&1?
Get started with InflowMail and manage all your email accounts in one place.
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