Roundcube 0.4 requires Net_SMTP 1.4.2 or newer
pear-Net_SMTP-1.4.2-alt1 -> sisyphus: * Sun Oct 03 2010 Vitaly Lipatov <lav@altlinux> 1.4.2-alt1 - new version (1.4.2) import in git (ALT bug #24047)