487 postsPage 34 of 49
A go-to resource on best practices for email security, anti-spam trends, product updates and everything in between.
Industry
2 min read
Fraudulent sign-ups are a major problem for web hosting providers – particularly for providers offering VPS’s and other flexible hosting options.
Read post: How Web Hosting Providers Can Battle Fraudulent Sign-ups
Industry
2 min read
We discuss why AOL’s mail servers sometimes respond with the error message “554 (RTR:BL)” and what you can do to get email flowing to AOL users.
Read post: Why Did AOL Send Me “554 (RTR:BL) http://postmaster.info.aol.com/errors/554rtrbl.html”?
Industry
3 min read
A guest blogger describes how and why spammers use bot nets to send spam.
Read post: How Botnets Send Spam (In Layman’s Terms)
Industry
1 min read
In this post, we discuss what fakemx.net is, and why it’s generating temporary delivery failure notices in your mail server logs.
Read post: What is fakemx.net and why are they temp failing me?
Industry
2 min read
We explain why Yahoo! fails connections to its mail servers with error: 421 4.7.0 [TS01] Messages from 1.2.3.4 temporarily deferred due to user complaints.
Read post: Why Is Yahoo! Temp Failing My Mail?
Product
1 min read
MailChannels announces Policy Scripting, a new feature to improve IP blocklist avoidance. Introducing highly flexible user behaviour monitoring & enforcement.
Read post: Policy Scripting In MailChannels
Industry
3 min read
A summary of the top-50 most popular SMTP error responses, as collected at a major web hosting provider.
Read post: Most popular SMTP responses – updated for August 2012
Industry
1 min read
How did I get 412,139 spam messages in my Gmail spam box?
Read post: How did I get 412,139 spam messages in my Gmail spam box?
Industry
1 min read
A bug in various software components caused a severe global outage of various services including the popular social news site Reddit.
Read post: The leap second that killed the Internet (well, parts of it)
Industry
2 min read
Someone recently stole 6.5 million passwords from LinkedIn, publishing a list of SHA1 password hashes. We explain why we think these weren’t brute forced.
Read post: LinkedIn Password Leak: Probably Not Brute ForcedSubscribe to the MailChannels Blog to receive new blog posts in your inbox.