.net - Signing DKIM error with UTF8 character in body -
i'm trying sign dkim email message. with non-unicode body, work : this multi-part message in mime format. ------=_nextpart_000_0011_01cf8271.717f57c0 content-type: text/plain; charset="windows-1258" content-transfer-encoding: 7bit test email ultramailer. ------=_nextpart_000_0011_01cf8271.717f57c0 content-type: text/html; charset="utf-8" content-transfer-encoding: 7bit test email ultramailer. ------=_nextpart_000_0011_01cf8271.717f57c0-- but if content contain utf-8 character, received message gmail indicate bodyhash (bh) have wrong: dkim=neutral (body hash did not verify) this multi-part message in mime format. ------=_nextpart_000_0020_01cf8275.daaa6ba0 content-type: text/plain; charset="windows-1258" content-transfer-encoding: 7bit tieng viet ------=_nextpart_000_0020_01cf8275.daaa6ba0 content-type: text/html; charset="utf-8" content-transfer-encoding: 8bit tiếng việt <p> </p...