Corrupted email headers when DisplayName contains new line #128636
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Tagging subscribers to this area: @karelz, @dotnet/ncl
See info in area-owners.md if you want to be subscribed.- linked a pull request that will close this issuePrevent corrupted SMTP headers when MailAddress.DisplayName contains CR/LF #128980
on Jun 4, 2026 - locked and limited conversation to collaborators
on Sep 14, 2026
When email address display name contains new line (for example, at the end of the string as a consequence of some parsing), SmtpClient do not trim such new line(s) and attempt to send email with corrupted headers.