Since no-one have complained about previous RCs, I guess it's release time. Since -rc2 I added the ioloop.c assert fix, and 64bit Solaris fix. Here's the full change summary again:

v0.99.10.6 2004-06-20 Timo Sirainen tss@iki.fi

+ SHA1 password support using OpenSSL crypto library
+ mail_extra_groups setting
+ maildir_stat_dirs setting
+ Added NAMESPACE capability and command
- Autocreate missing maildirs (instead of crashing)
- Fixed occational crash in maildir synchronization
- Fixed occational assertion crash in ioloop.c
- Fixed FreeBSD compiling issue
- Fixed issues with 64bit Solaris binary