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Posteo Email Settings: All Settings of the Eco-Friendly Email Provider

Looking to set up your eco-friendly Posteo email in your email client? These up-to-date Posteo email settings (IMAP, SMTP, and POP3) make it quick and easy!

 . Email Settings  . Posteo Email Settings: All Settings of the Eco-Friendly Email Provider

Posteo Email Settings: All Settings of the Eco-Friendly Email Provider
Last verified: Jul 2025


Posteo: Affordable, Private, and Green Email Hosting from Germany

Posteo is a German email provider founded in 2009 with a strong focus on privacy, security, and sustainability. As one of the pioneers in eco-friendly email hosting, Posteo runs its servers on 100% green energy and emphasizes data protection without compromising usability. Unlike many free email services, Posteo is a paid service, which means no ads and no selling of user data — making it a trusted choice for privacy-conscious users.

Posteo is not financed by ads and does not sell any user data – making it a trusted choice for privacy-conscious users. Despite its high standards, Posteo offers very affordable plans starting at just 1€ per month per mailbox.

If you’re looking for an email provider that respects your privacy, supports sustainable practices, and delivers dependable service, Posteo is an excellent choice.

 

Posteo Email Settings:
How To Set Up Posteo Email?


To easily set up your Posteo email account in any email client, you need to know Posteo IMAP and SMTP settings. In the following table, you'll find necessary Posteo Email Settings:

 

Posteo IMAP Settings: Add Incoming Emails via IMAP

To receive incoming emails in your mail client or to migrate your emails from or to Posteo, use the following Posteo IMAP settings:

IMAP Serverposteo.de
IMAP Port993 (for TLS / SSL) or 143 (for STARTTLS)
IMAP SecuritySSL / TLS or STARTTLS
Username Your Posteo email address
Password Your Posteo email password

 

Posteo Email Settings: SMTP for Outgoing Emails

To send emails from your email client using your Posteo email address, enter the following SMTP settings in the section for “outgoing emails”:

SMTP Serverposteo.de
SMTP Port465 (for TLS / SSL) or 587 (for STARTTLS)
SMTP SecuritySSL / TLS or STARTTLS
Username Your Posteo email address
Password Your Posteo email password

 

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Posteo POP3 Settings: Alternative to IMAP

With IMAP, received emails remain stored on the Posteo email server (see below for more details). If you'd prefer to download your emails directly to your device, use the following POP3 settings instead of the Posteo IMAP settings.

POP Serverposteo.de
POP Port995 (for TLS / SSL) or 110 (for STARTTLS)
POP SecuritySSL / TLS or STARTTLS
Username Your Posteo email address
Password Your Posteo email password

 

When Should You Use POP3 Instead of IMAP?

Choosing between POP3 and IMAP for your Posteo email account depends on how you manage your emails: POP3 downloads messages from the server and stores them on your device, which means you can access your emails offline — a useful option if you often work without a stable internet connection. It can also help free up space on your Posteo mailbox by removing messages from the server once downloaded.

On the other hand, if you check your Posteo email on multiple devices, IMAP is the better choice. It keeps your inbox and folders synced across all devices, making it easier to manage your messages no matter where you are.

 

How to Migrate Emails From or To Posteo:

Are you switching to Posteo and want to bring your old emails with you? Or are you moving away from Posteo and need to transfer your messages to a new provider? Migrating emails from or to Posteo is easy — all you need is your account credentials and our email migration tool MailJerry.

Here’s how to get started:

➡️ Download the free MailJerry app or launch the migration directly in your browser.

➡️ Open MailJerry and click "New Migration".

➡️ Under "Existing Address", select the correct account type and enter the login details for the account you're moving emails from.

➡️ In the "New Address" section, enter the IMAP settings for the destination account (e.g. your new or existing Posteo email account).

➡️ Click "Start Migration" to begin transferring your emails.

Once the migration is complete, your messages will appear in your new inbox.
🎉 That’s it — your emails are now where you need them!