A temporary solution of the problem is mentioned in the DSA #1155-2 (WARNING! Using stable-proposed-updates can break things. Use at your own risk!):
It turned out that the sendmail binary depends on libsasl2 (>= 2.1.19.dfsg1) which is neither available in the stable nor in the the security archive. This version is scheduled for the inclusion in the next update of the stable release, though. You'll have to download the referenced file for your architecture from below and install it with dpkg -i. As an alternative, temporarily adding the following line to /etc/apt/sources.list will mitigate the problem as well: deb http://ftp.debian.de/debian stable-proposed-updates main Debian GNU/Linux 3.1 alias sarge -------------------------------- Source archives: http://ftp.debian.org/debian/pool/main/c/cyrus-sasl2/cyrus-sasl2_2.1.19.dfsg 1-0sarge2.diff.gz Size/MD5 checksum: 31919 f7042b666907ca4294018bc764edce96 http://ftp.debian.org/debian/pool/main/c/cyrus-sasl2/cyrus-sasl2_2.1.19.dfsg 1-0sarge2.dsc Size/MD5 checksum: 1131 aca52362519bd66cda473678eaf2130f http://ftp.debian.org/debian/pool/main/c/cyrus-sasl2/cyrus-sasl2_2.1.19.dfsg 1.orig.tar.gz Size/MD5 checksum: 1576960 f2fa0ce4d8b3dc37ca71fb5b5d57cd8b Alpha architecture: http://ftp.debian.org/debian/pool/main/c/cyrus-sasl2/libsasl2_2.1.19.dfsg1-0 sarge2_alpha.deb Size/MD5 checksum: 277878 30d488b82d54f006662f52609da94f0a HP Precision architecture: http://ftp.debian.org/debian/pool/main/c/cyrus-sasl2/libsasl2_2.1.19.dfsg1-0 sarge2_hppa.deb Size/MD5 checksum: 273306 46dec2833097a7006953004c712208f6 ARM architecture: http://ftp.debian.org/debian/pool/main/c/cyrus-sasl2/libsasl2_2.1.19.dfsg1-0 sarge2_arm.deb Size/MD5 checksum: 260076 17cbbf95b9ba82428fce3721d8904fab Intel IA-32 architecture: http://ftp.debian.org/debian/pool/main/c/cyrus-sasl2/libsasl2_2.1.19.dfsg1-0 sarge2_i386.deb Size/MD5 checksum: 258784 2f307e6af80a02a3e559020a31f00c94 Motorola 680x0 architecture: http://ftp.debian.org/debian/pool/main/c/cyrus-sasl2/libsasl2_2.1.19.dfsg1-0 sarge2_m68k.deb Size/MD5 checksum: 253302 27e9e53ad9f430d5d731236f0fb7c5ca Big endian MIPS architecture: http://ftp.debian.org/debian/pool/main/c/cyrus-sasl2/libsasl2_2.1.19.dfsg1-0 sarge2_mips.deb Size/MD5 checksum: 260866 8109e94b29d2f6a5cb1bedd0ce729ae9 Little endian MIPS architecture: http://ftp.debian.org/debian/pool/main/c/cyrus-sasl2/libsasl2_2.1.19.dfsg1-0 sarge2_mipsel.deb Size/MD5 checksum: 261078 2e6cd2f4f8e8fa7cb6863e6378cf77e9 PowerPC architecture: http://ftp.debian.org/debian/pool/main/c/cyrus-sasl2/libsasl2_2.1.19.dfsg1-0 sarge2_powerpc.deb Size/MD5 checksum: 268388 d3f233ab1a90934e6578b5ccebd5543b Sun Sparc architecture: http://ftp.debian.org/debian/pool/main/c/cyrus-sasl2/libsasl2_2.1.19.dfsg1-0 sarge2_sparc.deb Size/MD5 checksum: 257648 06552692dcf73bd6db29ca5e12ea90bf IBM S/390 architecture: http://ftp.debian.org/debian/pool/main/c/cyrus-sasl2/libsasl2_2.1.19.dfsg1-0 sarge2_s390.deb Size/MD5 checksum: 265332 586764113955d451c9ae16e404c7ea37 Intel IA-64 architecture: http://ftp.debian.org/debian/pool/main/c/cyrus-sasl2/libsasl2_2.1.19.dfsg1-0 sarge2_ia64.deb Size/MD5 checksum: 297874 1b2e9357178ead1e33616513c8402080
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