I just received this and it appears legit. I have no idea how they got my email address, though.
Hi,
We are very pleased to inform you that the registration for the Baltic Speleological Congress 2007 is now open. So, for more information about the congress and to register - visit the congress website at http://www.speleo.se/bsc
If you have any questions, don't hesitate to contact us at the e-mail below.
Cheers,
Thomaz Gustafsson
President, Swedish Speleological Federation
Project Manager, Baltic Speleological Congress 2007
Baltic Speleological Congress - Northern Lights on Speleology
August 13-15 2007
Wisby Strand, Visby, Gotland, Sweden
Supported by UIS, FSUE and ISCA.
bsc@speleo.se
http://www.speleo.se/bsc