On Wed, May 02, 2012 at 11:29:19AM +0200, Jochen Spieker wrote: > You need to find out the source of the problem. Do you regularly restart > Exim? In my experience, with the Debian packaging, this is usually caused by exim conflicting with itself. I've never figured the problem out entirely, but it is exacerbated by having exim listen on more than one port (-oX 587:465:25)