Due to the size and activity of the EVE Online Discord, they encourage certain Verfication Levels to reduce unwanted spam, DM abuse, and phishing attempts. While we may revisit this in the future, we’re very satisfied with lack of unwanted spam in the EVE Discord.
For users who do not wish to verify with a phone number, Discord Support may be able to assist in achieving Discord Verification through other means.
I’d also like to add that this is information controlled solely by Discord itself, and cannot be accessed by the EVE Online Discord Server, moderators, nor any CCP staff. For more information about how Discord utilizes user information, you can refer to the Discord Privacy Policy: Privacy Policy | Discord