Breakpoint 1, backend_connect (ret_backend=0x0, server=0x1415e50 "maild1r.ugent.be", prot=0x6d5b40, userid=0x44dbfd "", cb=0x1418230, auth_status=0x0)
    at backend.c:321
321	{
(gdb) continue
Continuing.

Breakpoint 2, backend_connect (ret_backend=0x0, server=<value optimized out>, prot=0x6d5b40, userid=0x44dbfd "", cb=0x1418230, auth_status=0x0)
    at backend.c:514
514		do_compress(ret, &prot->compress_cmd)) {
(gdb) step
463		    const void *ssf;
(gdb) step
514		do_compress(ret, &prot->compress_cmd)) {
(gdb) step
517		if (!ret_backend) free(ret);
(gdb) step
520	    }
(gdb) step
config_getswitch (opt=IMAPOPT_PROXY_COMPRESS) at libconfig.c:119
119	    assert(opt > IMAPOPT_ZERO && opt < IMAPOPT_LAST);
(gdb) step
118	{
(gdb) step
119	    assert(opt > IMAPOPT_ZERO && opt < IMAPOPT_LAST);
(gdb) step
120	    assert(imapopts[opt].t == OPT_SWITCH);
(gdb) step
122	    if ((imapopts[opt].val.b > 0x7fffffff)||
(gdb) step
129	}
(gdb) step
backend_connect (ret_backend=0x0, server=0x14183b8 "0�D\001", prot=0x6d5b40, userid=0x44dbfd "", cb=0x1418230, auth_status=0x0) at backend.c:534
534	    prot_printf(s->out, "%s\r\n", s->prot->ping_cmd.cmd);
(gdb) step
replica_connect (be=0x0, servername=0x1415e50 "maild1r.ugent.be", cb=0x1418230) at sync_client.c:3406
3406		_exit(1);
(gdb) step
3403		fprintf(stderr, "Can not connect to server '%s'\n",
(gdb) step
3406		_exit(1);
(gdb) step
3408	
(gdb) step
Can not connect to server 'maild1r.ugent.be', retrying in 15 seconds
3411	     * http://en.wikipedia.org/wiki/Nagle's_algorithm

