What is the character limit for a Gmail email address, and how many unique emails does it allow for? - Quora
What is the character limit for a Gmail email address, and how many unique emails does it allow for? - Quora
Confirmation email addresses may be over the 64-character limit suggested in RFC 2821 · Issue #2 · bruceg/ezmlm-idx · GitHub
KB41932: How to Increase the Character Limit of the Message Text Box for Subscriptions with MicroStrategy Web SDK.
![studio-ui] Change the character limit for username when creating a user · Issue #4198 · craftercms/craftercms · GitHub studio-ui] Change the character limit for username when creating a user · Issue #4198 · craftercms/craftercms · GitHub](https://user-images.githubusercontent.com/25483966/87786781-9008a280-c808-11ea-8ad0-6ccfa009c4d8.png)