"This is an emergency notification regarding the current BlackBerry Infrastructure outage," RIM support account manager Bryan Simpson said in an e-mail. The message said the outage affected enterprise clients and "users of the Americas network."
RIM was not immediately available for comment and its e-mail gave no estimate on when service may be restored or how many individuals could be affected.
Last April, aservice across North America, leaving thousands of users without access to wireless e-mail.
Co-CEO Jim Balsillie said at the time that such incidents were "very rare" and the Waterloo, Ontario-based company was taking steps to prevent such an outage from happening again.
Executives, politicians, lawyers, and other professionalsfor its ability to send secure e-mails.
RIM is also adding more retail customers to its subscriber base, which late last year reached about 12 million people worldwide.
RIM shares fell to $93.14 in after-hours electronic trade, from their regular-session close of $94.47 on the Nasdaq market.