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E-mail validation rejects valid email address - Printable Version

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E-mail validation rejects valid email address - Polkafest - Aug 14th, 2017

I used a core "Textfield" to enter "Medium <= 256" text in a "Big" field width default "Max Length" and a validation for "Valid email".

However a valid email address like "info@webaddress.nl" is rejected.

Can I change the validation rules without having to add a custom field type and create validation rules from scratch?