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You are here: Runbox Help > How-tos > Email Clients

Account Security

In this section you can manage your account’s security settings. We encourage you to enable Two-Factor Authentication and review the other settings in order to keep your account secure. For additional notes about Two-Factor Authentication and Application Passwords we recommend you read the page More About Two-Factor Authentication and App Passwords once you have read […] Read more

Filed Under: Access, Account, Email Clients, IMAP, Log In, POP, SMTP     Tags: 2FA, OTP, security, settings, TOTP

 

 

 

 

 

 

 

 

After using a email client to download messages via POP, the messages disappear from the server. How do I avoid this?

You can set your email client to leave a copy of downloaded messages on the server. Please see the documentation for your email client to find out where this setting is.

Filed Under: Email Clients, FAQs     

 

 

 

 

 

 

 

 

Common errors when sending mail through an email program

Note: For trial accounts you must validate the alternative email address you added to your account before you can send email with an email program. The most common errors associated with sending mail through an email program are: Error: 550 relaying prohibited (or similar) Runbox’ SMTP server requires that your mail program supports authentication. This […] Read more

Filed Under: Email Clients, FAQs     

 

 

 

 

 

 

 

 

Connection Encryption – SSL, TLS and STARTTLS

On our Email Client Settings page we specify that you should use encryption for your incoming and outgoing mail connections with Runbox. This ensures that the data that is transferred between our servers and your devices is encrypted over the Internet so that others cannot read it if it is intercepted. Unfortunately, the terminology surrounding […] Read more

Filed Under: Email Clients, Encryption, IMAP, POP, SMTP     

 

 

 

 

 

 

 

 

Deciding whether to use POP or IMAP

Deciding whether to use POP or IMAP We recommend that most customers access their email using IMAP (Internet Message Access Protocol) as it has a number of advantages over POP (Post Office Protocol) and no real disadvantages for most people. By using IMAP all your email will be stored on our servers and wherever you access […] Read more

Filed Under: Email Clients     

 

 

 

 

 

 

 

 

Email Program Settings

If you are using an email program such as Outlook, Apple Mail or Thunderbird you might find our Recommended Email Programs page useful as it contains guides to setting up some popular email programs. If your email program does not automatically detect the correct settings for your Runbox account, or if you need to manually […] Read more

Filed Under: Access, Email Clients, IMAP, POP, SMTP     Tags: encryption, IMAP, POP, security, settings, SMTP, SSL, tls

 

 

 

 

 

 

 

 

How can I download mail via POP from other folders than the Inbox?

To POP from a specific folder only, create a new account in your mail client with the regular Runbox POP settings – only set your username in your email client like this: username%runbox.com%folder – for example: username%runbox.com%Sent.

Filed Under: Email Clients, FAQs     

 

 

 

 

 

 

 

 

How do I set up my email client?

You can use a wide variety of email clients with Runbox. You can find instructions on how to do this for some of the most popular ones by following the links below. Apple Mail Thunderbird Outlook

Filed Under: Email Clients     

 

 

 

 

 

 

 

 

I have a mobile phone or tablet device with an email client, how can I access my email there?

You set up email on these devices in the same way as with a regular email client.  You can find the information you need on the Email Client Settings page. Some specific instructions for the iPhone are also available.

Filed Under: Email Clients, FAQs     

 

 

 

 

 

 

 

 

Identities/Profiles

“An error occurred while sending mail. The mail server responded: Invalid From address. Please see https://help.runbox.com/identities/.” To send messages from an address that is not your main Runbox username or an alias address on the account that is sending the message you must verify ownership of that address otherwise our servers will not allow you […] Read more

Filed Under: Email Clients, SMTP     

 

 

 

 

 

 

 

 

IMAP and SMTP for Mutt and NeoMutt

Mutt and NeoMutt are command-line email clients designed for Unix-like operating systems. They provide a fast, keyboard-driven interface for managing email via protocols like IMAP, POP3, and SMTP. Mutt is the original client, offering robust features and deep customization through configuration files. NeoMutt builds on Mutt by integrating additional modern features such as sidebar navigation, […] Read more

Filed Under: Email Clients, IMAP     Tags: CLI, IMAP, mutt, neomutt, security, SMTP

 

 

 

 

 

 

 

 

IMAP Folder Subscriptions

What are IMAP Folder Subscriptions? IMAP folder subscriptions allow you to choose which folders appear in your email program/client interface. Many people are unaware of this feature because when they set up their email account all the folders in their account are shown and that is what they want and expect. However, there are a […] Read more

Filed Under: Email Clients, IMAP     Tags: IMAP

 

 

 

 

 

 

 

 

IMAP for Apple Mail

To set up Apple Mail with Runbox, please follow the step-by-step instructions below. Note that the setup process may vary slightly from what is shown here, depending on the version of macOS and Apple Mail you are using. Note: There is more than one place in macOS where you can set up Internet accounts. Here […] Read more

Filed Under: Email Clients     Tags: Apple Mail, IMAP

 

 

 

 

 

 

 

 

IMAP for eM Client

eM Client (www.emclient.com) is an email client for Windows and macOS. It is free to use for home use, but you will need to get an free license from the developers website. To set up eM Client with Runbox, please follow the step-by-step instructions below. Add a new account to eM Client To add a […] Read more

Filed Under: Email Clients, IMAP     

 

 

 

 

 

 

 

 

IMAP for Mozilla Thunderbird

To set up Thunderbird with Runbox, follow the step-by-step instructions below. Please note that the setup process and dialogue boxes on your computer may vary slightly from what is shown here, depending on what version of Thunderbird you are using and whether you are using Windows or macOS. Add a new email account to Thunderbird […] Read more

Filed Under: Email Clients     Tags: IMAP, Thunderbird

 

 

 

 

 

 

 

 

IMAP for Mutt

Mutt is a text-based IMAP client that is popular on Linux computers, and can be installed on for instance Ubuntu Linux. To set up Mutt with Runbox, add the following to a file named .muttrc in your home directory: set imap_user = “username” set imap_pass = “password” set smtp_url = “smtp://username@mail.runbox.com:587/” set smtp_pass = “password” […] Read more

Filed Under: Email Clients     Tags: IMAP

 

 

 

 

 

 

 

 

IMAP for Windows Live Mail 2012

To set up Windows Live Mail with Runbox, please follow the step-by-step instructions below. Note that the set-up process and dialogue boxes on your computer may vary from what is shown here, depending on what version of Windows Live Mail you are using. Add a New Account to Windows Live Mail To add a new […] Read more

Filed Under: Email Clients     Tags: IMAP, Windows Live Mail

 

 

 

 

 

 

 

 

iPhone and iPad Set Up Guide for Runbox

This article describes how to set up the Runbox email service with the Mail client on an iPhone or an iPad. Note: When you first create your Runbox trial account SMTP (outgoing mail) will be unavailable to you until you either a) validate your alternative email address (we send a validation link there when you […] Read more

Filed Under: Email Clients     Tags: IMAP, iPad, iPhone

 

 

 

 

 

 

 

 

K-9 Mail Set Up Guide (IMAP)

To set up K-9 Mail with Runbox, please follow the step-by-step instructions below. Note that the setup process and dialog boxes on your device may vary slightly from what is shown here, depending on what version of K-9 Mail you are using. 1. Get started When you open K-9 Mail for the first time you […] Read more

Filed Under: Email Clients     Tags: Android, IMAP, K-9 Mail

 

 

 

 

 

 

 

 

MailDroid Set Up Guide (IMAP)

To set up MailDroid with Runbox, please follow the step-by-step instructions below. Note that the setup process and dialog boxes on your computer may vary slightly from what is shown here, depending on what version of MailDroid you are using (these screen shots were made with MailDroid 3.53). 1. Get started When you open MailDroid […] Read more

Filed Under: Email Clients     Tags: Android, IMAP, MailDroid

 

 

 

 

 

 

 

 

Message Headers

What are message headers? Message headers are usually mostly hidden when you read email messages. You normally get shown certain parts of the headers such as From, To, CC, Date/Time and Subject, but there is a whole lot more and it can be very helpful in troubleshooting problems with messages. An Open Message in Runbox […] Read more

Filed Under: Email Clients, Support     Tags: headers

 

 

 

 

 

 

 

 

Microsoft Outlook

To set up Microsoft Outlook with Runbox, please follow the step-by-step instructions below. The set up screens for Windows and macOS are very similar so we have included only one set of instructions that should work for both. Note that the set-up process and dialogue boxes on your computer may vary from what is shown […] Read more

Filed Under: Email Clients     Tags: IMAP, Outlook

 

 

 

 

 

 

 

 

My email client times out when polling Runbox for messages. How do I avoid this?

Many email clients have a default polling interval of 10 minutes, but if your client is set to poll more frequently than this the server might not be able to feed the folder information to the client before the next request. We recommend a interval of 10 minutes or more to avoid such timeouts.

Filed Under: Email Clients, FAQs     

 

 

 

 

 

 

 

 

New IMAP Server Software in Open Beta Test

We are pleased to announce the start of the Open Beta Testing Phase of our new Dovecot IMAP servers. We are introducing new IMAP servers to improve our customers’ experience when using Runbox with their email clients and on mobile/tablet devices. If you would like to participate in our Open Beta test, please read the […] Read more

Filed Under: Email Clients, IMAP, Other     Tags: IMAP, SMTP

 

 

 

 

 

 

 

 

Recommended Email Programs (apps)

Many people prefer to use an email program (app) instead of using webmail with a browser. Below we list some popular programs we can offer support for with links to our set up instructions for IMAP. Many of the programs will let you set up multiple identities based on your Runbox aliases and we’ve indicated […] Read more

Filed Under: Access, Email Clients, Encryption, IMAP, SMTP     

 

 

 

 

 

 

 

 

Samsung Galaxy Note 2

From the Home screen, tap Email. Enter the Email address and Password in the appropriate fields and tap Next. Note: If you have already set up an email account and want to set up another one, tap the Menu Key – > Settings -> tap the + sign. Your device will automatically start searching for […] Read more

Filed Under: Email Clients     Tags: Android, galaxy, IMAP, note, samsung

 

 

 

 

 

 

 

 

Secure Transfer of Email

The security and privacy of your email is a very high priority for Runbox, and we know it is for our members too. As such, it is worth reviewing some of the aspects of security that affect your email as it is transferred between you and Runbox and between Runbox and other email services. There […] Read more

Filed Under: Email Clients, Encryption, Webmail     Tags: encryption, security

 

 

 

 

 

 

 

 

Using an Email Client with IMAP

We recommend that customers who access their email with email clients such as Outlook, Apple Mail, and Thunderbird use IMAP (Internet Message Access Protocol) when possible. It has a number of advantages over POP (Post Office Protocol) and no real disadvantages for most people. IMAP synchronizes all email on the server with your client and this means […] Read more

Filed Under: Email Clients     Tags: Apple Mail, IMAP, Outlook, Thunderbird

 

 

 

 

 

 

 

 

Using an Email Client with POP

Although we recommend Runbox members should use IMAP for accessing email, there is an alternative. POP stands for Post Office Protocol and if you only ever access your email on one device or wish to download your email and not store it on the Runbox servers, you could use POP to do this. POP vs […] Read more

Filed Under: Email Clients     Tags: email client, POP, settings

 

 

 

 

 

 

 

 

Using an Email Client with SMTP

An email client set up to download incoming email via IMAP or POP also needs to be configured for SMTP (Simple Mail Transfer Protocol) to send outgoing messages via the Runbox servers. SMTP Client Settings Secure/Encrypted SMTP Outgoing Server (SMTP):  mail.runbox.com Port: 587 with STARTTLS or Port: 465 with TLS/SSL Secure/Encrypted Connection: Yes/On Authentication: Password Note: […] Read more

Filed Under: Email Clients     Tags: email client, settings, SMTP

 

 

 

 

 

 

 

 

Using an Email Program (app) with Runbox

An email program (sometimes called a client or application/app) is software that runs on your computer or mobile device and accesses your email accounts for you. Common examples of email programs are Thunderbird, Outlook, Apple Mail or Windows Live Mail.  This is not the same as accessing your email using our webmail system. If you […] Read more

Filed Under: Email Clients     Tags: Apple Mail, IMAP, Outlook, POP, settings, SMTP, Thunderbird

 

 

 

 

 

 

 

 

What are your server details for setting up an email client?

You can receive your email using POP3 or IMAP protocols, and email is sent using the SMTP protocol.  You can find the settings for this on our Email Client Settings page.

Filed Under: Email Clients, FAQs     

 

 

 

 

 

 

 

 

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