Cox made some changes to their mail servers this morning, leading to some accidental blocks this morning that we understand were not actually listed on the dnsbl referenced. Other sources have confirmed that these blocks were wide-spread and accidental.
Cox seems to have this resolved now and our tests show that previously blocked emails are now being delivered. They responded to earlier cases and asked that customers who had email blocked this morning to try resending their blocked messages.
On Thursday, October 29th, Cox Communications make a number of changes and improvements to their spam filters. They added a special Postmaster
page:
And they added the invaluement.com DNSBLs to the blacklists they use to eliminate spam.
Unfortunately, during the early morning hours after this was implemented, there was a glitch in their system which caused some legitimate e-mail sent to cox.net addresses to mistakenly get blocked, and this was mistakenly attributed to the invaluement lists. (The invaluement.com lists did NOT have those legitimate sending IP addresses
blacklisted.) This glitch occurred between 4 a.m. and 8 a.m. EST on 10/29/2009. The damage was greatly minimized by the off-hours timing of the incident and greatly minimized by Cox's internal whitelist.
The glitch is now completely fixed.
Beyond Deliverability: Consumer Choice & Control
Addressing Email Security Concerns
Technology Solution
Between sessions, the intrepid staff of the Westin brought in several more chairs, effectively ensuring that no one will be sitting on the floor this time. There wouldn't be room, even if they wanted to.
He continues by talking about send classifications: marketing and transactional, and the differences between then. Basically, marketing messages are subject to CAN-SPAM regulation, while transactional messages are not, since they're might actually be required to be sent to subscribers, such as receipts.
As a marketer, I've always focused on balancing driving the most results from a limited budget. Then the global recession took effect last year and to remain competitive, companies began their prudent cost-cutting measures across all areas of the business. All marketers know that their budgets are some of the first to be reduced during trying economic times. This challenge helps us flex our virtual marketing muscles to affect our target audience with strategic marketing campaigns, with less budget than before. 
"As social networking sites like Twitter and Facebook assimilate into our lexicon as verbs, companies faced with reduced communication budgets are realizing the value of engaging their employees and customers through Web-based interactive media. 
Either way, “how much email is too much?” is entirely in the mind of the recipient. What is too much for one subscriber is not enough for another.
Chad White was trained as a journalist and is the author and researcher behind the independent blog mentioned most frequently in our survey of go-to email marketing resources. Chad follows approximately 100 retailers at any time and looks at ALL of their email. Moreover, he has been doing this since 2006—he has definitely seen his fair share of email. His blog provides a virtual play-by-play of what retail email marketers are sending, from his “Subjectivity Scanner” posts where he recaps subject lines people are using, to who’s trying new stuff like embedded video or social media integration. If you are looking for examples with some insightful commentary, this is the place to go.
Mark Brownlow is a writer and academic type. In his own words, “Email Marketing Reports entered life in November 2001 because I was tired of decent folk sending spam because nobody helped them learn the basics of legitimate email marketing.” His blog is dedicated to education. His articles consistently provide a balanced view of hot topics in the email industry and while he often references other sites, articles and studies, he can always be trusted to the appropriate context before sending readers off to another site
Tamara Gielen (collaborator on the study) is the author behind BeRelevant! Currently an independent email marketing consultant, Tamara has been a email practitioner for years having worked client side for Cognos and eBay, and agency side for OgilvyOne. Tamara started the blog as a tool for her to keep track of articles and topics she found useful in her own work and the blog has the same feel today. Most of her posts are lists of articles, tools, studies, and any other resources you could imagine on email marketing. Consider this blog a filter for articles worth reading.
Jason Baer has been working in digital marketing since 1994 and was the founder of Mighty Interactive. The consummate entrepreneur, Jason is at it again as the founder of Convince & Convert, now a year old. Convince & Convert’s tagline is “social media and email consulting,” so while he focuses on social media first, don’t let that (nor his 6,000+ Twitter followers) lead you to believe he has moved on from email. His blog focuses on using technology to build community and he consistently provides sound advice on how to incorporate email into that process.
Smith-Harmon is an agency based in Seattle, WA dedicated to email marketing. They also happen to employ Chad White—so the Smith-Harmon crew is a deep well of expertise in email marketing. Their blog highlights different emails that catch their eye and typically focuses on the creative and aesthetic aspects of email. Even so, there is always an eye on the messages intent and execution. In short, the blog represents the personalities of the agencies founders, Lisa Harmon—the email industries queen of fashion, and Aaron Smith—the technical guy, but hardly a techie when it comes to style. 
When you talk about SMS marketing messages, you always talk about it in terms of the mobile device. 
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