Hello Matt, thank you for your answer.
On 11.05.2010 23:52, Matt Brookings wrote: >> int main() >> { >> if (valias_select("info", "rumtun.de") != NULL) { > > valias_select calls vget_assign, which in turn modifies the domain > field for its purposes. Because you're providing a pointer to a > read-only portion of memory, that's one reason why you might be > segfaulting. > > If you're going to write code that calls vpopmail API, be aware that > much of vpopmail's API will clobber data you pass to it. my first fault was to think that 5.5.0 is a stable release. I tried 5.4.30 and it's working again. My 2-lines c-code and the chkuser patch. Greetings Martin !DSPAM:4bedb79832717422568130!