Configuring letterboxes.org for your iPhone

First, a few words about letterboxes.org:

Fastmail is an email hosting company based in Melbourne, Australia. In addition to its Fastmail-branded services, the company also operates Topicbox, a mailing list service, and Pobox, an email service it acquired in 2015. The company was acquired by Opera Software in 2010 but became independent again in 2013 through a staff buyout. Its servers are located in Bridgewater, New Jersey and Seattle, Washington. Source: https://en.wikipedia.org/wiki/Fastmail

How to configure letterboxes.org:

Mail app may find the email parameters automatically, and configure your account. Apply the following steps first to see if that is possible:

1. Go to Settings > Mail, then tap Accounts.
2. Tap Add Account, then Other, then click Add Mail Account
3. Enter your name, your email address, your password then a description for your account
4. Click Next. The Mail app should try and find the mail configuration and finish setting your account. If the Mail app finds your e-mail parameter, tap Done to finish your setup.

In case Mail can't automatically set up your account, then you will have to enter them yourself. We think you will need the information below:

Settings Needed for Receiving Mail using IMAP

Settings Needed for Sending Mail

Tap Next, then follow these steps:

1. Select either IMAP or POP for your new account. If you don't know which one to opt for, contact letterboxes.org.
2. Enter the required information (You might want to take a look at the table above) for Incoming Mail Server and Outgoing Mail Server. Then tap Next.
3. If the mail configuration is correct, click Save to complete . If your e-mail configuration is incorrect, you'll be asked to modify those settings.
4. If you still can't setup your e-mail account or save the email settings, contact letterboxes.org.