ms-alan 08b8465ca9 fix(email): add required Date header to send_message_tool._send_email ...

Adds RFC 5322 Date header to the _send_email tool path in tools/send_message_tool.py.

Issue #15160 noted that both gateway/platforms/email.py and tools/send_message_tool.py
construct MIMEMultipart/MIMEText messages without setting a Date header. RFC 5322
requires the Date header; mail filters reject messages that lack it.

PR #15207 fixed the gateway/platforms/email.py path but did not cover
tools/send_message_tool._send_email, which is used by the send_message tool
for cross-channel messaging.

This change adds msg["Date"] = formatdate(localtime=True) to _send_email,
mirroring the fix applied to the gateway email adapter.

Closes #15160

2026-05-04 02:48:20 -07:00

76 KiB

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