Advice and answers from the Astro Team

Since our primary focus at Astro is on email in the workplace, currently we support users of Gmail (and GSuite), Office 365 and (soon) Microsoft Exchange. 

We intend to support other services, including those that use the IMAP protocol such as iCloud, FastMail, and Yahoo Mail, as well as Hotmail and But we don't have a timeline to announce for these yet, since those are much less frequently used as workplace email services.

If you'd like to request that we support a service, please send us a note at

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