5.0.0.1741
94%

Ran 13 Oct 2026 01:06PM UTC

Jobs 1

Files 198

Run time 1min

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Committed 13 Oct 2026 01:00PM UTC coverage: 93.7% (+0.03%) from 93.672%

Build # 5.0.0.1741

Build Type

push

coveralls.net

Committed by

jstedfast

Commit Message

Validate SMTPUTF8 addresses in SmtpClient

When a message is sent using the SMTPUTF8 extension, SmtpClient now
validates every sender and recipient address using MimeKit's new
SmtpUtf8AddressValidator before any SMTP commands are sent. Invalid
addresses cause a new SmtpUtf8AddressException (derived from
ArgumentException) to be thrown, exposing the offending Mailbox and
the validation Error. The null reverse-path and Postmaster are exempt.

Also updated the MimeKit submodule to pick up SmtpUtf8AddressValidator.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Coverage Stats

25806 of 27541 relevant lines covered (93.7%)

0.94 hits per line

Coverage Regressions

Lines	Coverage	∆	File
47	93.86	0.18%	D/a/MailKit/MailKit/MailKit/Net/Smtp/SmtpClient.cs

Jobs

ID	Job ID	Ran	Files	Coverage
1	5.0.0.1741.1	13 Oct 2026 01:06PM UTC	198	93.7

jstedfast / MailKit / 5.0.0.1741
94%

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Source Files on build 5.0.0.1741

jstedfast / MailKit / 5.0.0.1741 94%

README BADGES x

Markdown

Textile

RDoc

HTML

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Coverage Regressions

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Source Files on build 5.0.0.1741

jstedfast / MailKit / 5.0.0.1741
94%

README BADGES
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