For OSPI I use sendEmail.
I send each IFTT notification to a text file. Then execute a cron script that periodically emails (all) the text file(s) contents. The script I use can accumulate several IFTT messages into a single email message.
email setup for opensprinkler
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Install sendemail app
install libio-socket-ssl-perl and libnet-ssleay-perl
send email script instruction:
sendEmail -f “fromaddress” -t “toaddress” -u “Subjectlinei” -m “Mymessage” -s “mysmtpserver”:26 -o tls=no -xu “loginusername” -xp “loginpassword”
instead of -m use -o message-file=/tmp/file.txt