smtp: Support the SMTPUTF8 extension in the RCPT TO command

Note: The RCPT TO command isn't required to advertise to the server that
it contains UTF-8 characters, instead the server is told that a mail may
contain UTF-8 in any envelope command via the MAIL command.
This commit is contained in:
Steve Holme 2020-02-13 22:39:28 +00:00
parent aba1bf630f
commit 483edeb8dd
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4 changed files with 91 additions and 6 deletions

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tests/data/test966 Normal file
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<testcase>
<info>
<keywords>
SMTP
IDN
</keywords>
</info>
#
# Server-side
<reply>
<servercmd>
CAPA SMTPUTF8
</servercmd>
</reply>
#
# Client-side
<client>
<server>
smtp
</server>
<features>
idn
</features>
<setenv>
LC_ALL=en_US.UTF-8
LC_CTYPE=en_US.UTF-8
</setenv>
<precheck>
perl -MI18N::Langinfo=langinfo,CODESET -e 'die "Needs a UTF-8 locale" if (lc(langinfo(CODESET())) ne "utf-8");'
</precheck>
<name>
SMTP with SMTPUTF8 support - UTF-8 based recipient
</name>
<stdin>
From: different
To: another
body
</stdin>
<command>
smtp://%HOSTIP:%SMTPPORT/966 --mail-rcpt Stödmottagaren@åäö.se --mail-from sender@example.com -T -
</command>
</client>
#
# Verify data after the test has been "shot"
<verify>
<protocol>
EHLO 966
MAIL FROM:<sender@example.com> SMTPUTF8
RCPT TO:<Stödmottagaren@xn--4cab6c.se>
DATA
QUIT
</protocol>
<upload>
From: different
To: another
body
.
</upload>
</verify>
</testcase>