I'm wondering if this is a bug, when I try to send an email with an attachment using Send Mail Message, I end up with transparent text in my email. If there isn't an attachment it comes through fine with visible text.
Running the Keyboard Maestro 9.2 on Mojave and Big Sur.
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# Auth: Christopher Stone <scriptmeister@thestoneforge.com>
# dCre: 2013/05/15 06:11
# dMod: 2016/02/04 23:46
# Appl: Mail
# Task: Make a new outgoing message example.
# Libs: None
# Osax: None
# Tags: @Applescript, @Mail, @Make, @New, @Outgoing, @Message, @Attachments
# Test: macOS Sierra – Mojave (text is _dark_ in Mojave).
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set attachmentList to {alias ((path to home folder as text) & "test_directory:Apple_Mail_Attachments:Attachment 02.txt"), alias ((path to home folder as text) & "test_directory:Apple_Mail_Attachments:Attachment 01.txt"), alias ((path to home folder as text) & "test_directory:Apple_Mail_Attachments:Attachment 03.txt")}
set toName to "Robert A. Heinlein"
set toAddress to "bob@pieinthesky.com"
set _sender to "H. Beam Piper <beam@littlefuzzy.org>"
set _subject to "Test Message"
set _body to "Four score and seven years ago our fathers brought forth on this continent, a new nation, conceived in Liberty, and dedicated to the proposition that all men are created equal."
tell application "Mail"
set _msg to make new outgoing message with properties {subject:_subject, content:_body & return & return}
tell _msg
set visible to true
make new to recipient at end of to recipients with properties {name:toName, address:toAddress}
set sender to _sender
repeat with theAttachment in attachmentList
make new attachment with properties {file name:theAttachment} at after the last paragraph
end repeat
end tell
activate
end tell
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