Hi there. Can you test the mail.yahoo.com page in another browser to see if you encounter the same error? We tested from our side and we could not replicate your experience. Source: 6 months ago

Perhaps https://mail.yahoo.com/ I think that a telephone number is required to create a new account. - Source: Hacker News / 11 months ago

Thank you. When was the last time you successfully accessed this account at mail.yahoo.com? I recommend editing your comment to remove your email address, for privacy reasons. Source: 11 months ago

I'm sorry to hear you're experiencing this issue! How are you accessing your email? Is it through the Yahoo Mail app, the web platform (https://mail.yahoo.com) or through a third party app like Outlook, the native Android/iOS mail app? Source: 12 months ago

Hi. When was the last time you accessed your Yahoo account through the Yahoo platform (mail.yahoo.com or Yahoo app)? Source: 12 months ago

Probably at nextcloud calendar app. Source: about 1 year ago

However, what you're describing seems like any simple Calendar will meet the needs (effectively, here's an event are you coming or not?). Might be overkill, but check out Nextcloud in that case (https://apps.nextcloud.com/apps/calendar). Source: about 1 year ago

I have moved from Google calendar to NextCloud calendar self-host and quite happy with it. I use it with Apple Calendar for creating events, etc. Though sometimes it doesn't sync properly, most of the time, it does the job. The only downside is, I would like to connect my domain/email to the calendar but it is not possible with NextCloud, so it is quite inconvenient if someone tries to invite me. Source: about 1 year ago

If you are a roll-your-own person, you could install and maintain a NextCloud server. See https://apps.nextcloud.com/apps/calendar and https://nextcloud.com/athome/ this is not for the faint of heart. Source: over 2 years ago