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Are there any widely-used, case-sensitive, public or corporate email servers? I've certainly strtolower'ed some email inputs...
by lgats 7y ago
Are there any widely-used, case-sensitive, public or corporate email servers?
I've certainly strtolower'ed some email inputs...
- sethammons 7y agoSee my link to the RFC in a sibling comment. You should not strtolower an email address unless you are the one running the mailbox itself.