Commercial emailers are finding the vast brunt of their messages actually getting through, according to Internet Retailer, with retail and catalog emails seeing deliverability rates hovering around record levels in the last quarter of 2004. The figures, provided by Bigfoot Interactive, show Q4's deliverability at 94 percent, down just a tad from Q3's 94.6 percent. Response rates climbed to 4.8 percent in Q4, up from 3.8 percent.