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RFC 821 | Simple Mail Transfer Protocol (SMTP) |
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RFC 822 | Format Of ARPA Internet Text Messages |
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RFC 1521 | 5.1 - Quoted-Printable Content-Transfer-Encoding |
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RFC 1893 | Enhanced Mail System Status Codes |
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RFC 1894 | Delivery Status Notification |
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RFC 1939 | Post Office Protocol - Version 3 (POP3) |
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RFC 2152 | UTF-7: A Mail-Safe Unicode Transformation Format |
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RFC 2505 | Anti-Spam Recommendations for SMTP MTAs |
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RFC 2821 | Simple Mail Transfer Protocol (SMTP) |
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RFC 2822 | Internet Message Format (SMTP) |
