Of course, as CA and kapusta point out, it is factually correct.
I don’t think there’s anything wrong with this.
If, on the other hand, the body of the email would have included language aimed at giving the false impression that some sort of commitment had already been made, that would be outright deception. This has happened to me, in emails, regular mailings and phone solicitations.
Tzedaka organizations, take heed: We will not support this kind of trickery, no matter how worthy the cause.
To quote Rav Shamshon Rephael Hirsch (and many others), “In Judaism, the ends does NOT justify the means.”