> Why won’t a site accept my Relay alias? Some sites [...] have stopped accepting all addresses except those from Gmail, Hotmail or Yahoo accounts.
I think a more likely explanation is the fact that many sites these days block the usage of email addresses from domains known to host disposable addresses. For example, mozmail.com (the top domain that is used by Firefox Relay) appears on [2] that is sourced by many libraries on GitHub.
upvotes maybe?
https://github.com/disposable/disposable-email-domains/pull/...
In addition to being harder to acquire in bulk, phone numbers serve as a convenient non-anonymous and universal user identification key that can be easily matched by data brokers and shared to track customers across multiple businesses.
Facebook pioneered this approach by adopting SMS-based 2FA as a means of acquiring phone numbers to match users with purchases at partner businesses.
Phone numbers also enable businesses to send unsolicited text messages and robocalls.
I like the service but want use my own domain, because some signups forbid subdomain emails.
Spam or too big attachments won't deliver.
There is no spam folder? so I will never get the email even it's no spam.
The attachment size is way too small if I get an invoice pdf eg.
That means that service can only used for unimportant websites.