Webmail & Email Clients

Log in to TrekMail webmail from any browser, navigate your inbox, compose rich emails, manage contacts, use the calendar, and access all built-in tools.

How to write and send emails — rich text formatting, attachments, inline images, schedule send, and undo send.

Add contacts, organize them into groups, import from CSV or VCF files, and enjoy autocomplete when addressing emails — all from TrekMail webmail.

Create and manage events, import ICS files, and get browser notifications — all inside your webmail.

Set up multiple sending identities, create HTML signatures with images, and save up to 20 reusable message templates — all from inside TrekMail webmail.

Create, rename, and delete custom folders in webmail, subscribe shared folders, move emails in bulk, empty Trash or Spam at once, and search inside a folder.

Report spam, rescue wrongly flagged messages, block senders, and understand email authentication badges.

Customize your webmail — switch themes, change language, enable 2FA, and learn keyboard shortcuts.

Install TrekMail webmail as a Progressive Web App on iPhone, iPad, Android, or desktop — home-screen icon, fullscreen shell, faster loads, and a branded look.

Reference for all standard IMAP/SMTP hosts, ports, and encryption.

Use Gmail to read TrekMail mail. The mobile app supports IMAP fully; Gmail web sends fine but only receives via TrekMail forwarding (Google dropped IMAP fetch).

Set up TrekMail in Outlook (classic, new, Mac, mobile, OWA) — autodiscover, manual IMAP/SMTP, fixing the password-prompt loop, and per-version quirks.

Configure TrekMail in the Apple Mail app on macOS.

Add a TrekMail mailbox to Mozilla Thunderbird over IMAP and SMTP — the exact server names, ports, and security to enter when you set it up manually.

Connect a TrekMail mailbox to Mailspring as a custom IMAP/SMTP account — the incoming and outgoing server values to type in, step by step.

Set up a TrekMail mailbox in Spark by Readdle using manual IMAP/SMTP — the inbox and outbox server settings to enter under Additional Settings.

Add TrekMail to iOS Mail, Gmail Android, Outlook Mobile, Spark, Samsung Email, and Thunderbird Android — universal IMAP settings plus per-app walkthroughs.

Connect TrekMail to Apple Calendar and Apple Contacts on macOS using CalDAV and CardDAV. Step-by-step setup with the exact server, username, and password.

Add TrekMail to native iPhone and iPad Calendar and Contacts apps.

Connect your TrekMail account to Android Calendar and Contacts using DAVx5. Free open-source app from the Play Store with two-way CalDAV and CardDAV sync.

Set up TrekMail CalDAV calendar and CardDAV contacts in Thunderbird with the TbSync add-on. Two-way sync with Lightning calendar and the address book.

Microsoft Outlook does not support CalDAV natively. Use the free Outlook CalDAV Synchronizer plugin to sync your TrekMail calendar to Outlook on Windows.

Plain-language overview of what powers TrekMail webmail and how it connects to your mailbox.