How can I prevent '5.1.3 Bad Recipient Address Syntax' errors from occurring in my application?

By: USER6628
27 Agustus 2025 Support 5 minutes
4.5
95 views 95 comments 7 shares

Question

Grade: Education Subject: Support
How can I prevent '5.1.3 Bad Recipient Address Syntax' errors from occurring in my application?
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Best Answer
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Implement robust email validation on the client-side and server-side. Use regular expressions to enforce the correct email address format. Provide clear and helpful error messages to users when they enter invalid email addresses. Integrate with an email validation API for more advanced checks.
Answered on 27 Agustus 2025

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