Changes At Yahoo Mail You Need to Know Now!
Laura Atkins over at the Word to the Wise blog posted an interesting article on undocumented changes that seem to have taken place behind the scenes at Yahoo Mail. Multiple sources are reporting an increase in “invalid user” or hard bounces at Yahoo over the last couple of weeks. It appears that Yahoo is not only revamping […]
Preventing Backscatter Spam When Using SocketLabs as a Smart Host
Learn how you can prevent backscatter spam when using SocketLabs’ Smart Host email delivery platform! You can prevent email spam from happening today.
Best Practices for Using Custom MailingIDs and MessageIDs
Socket Labs provides information on the best practices for using custom MailingIDs and MessageIDs. Find email delivery solutions at SocketLabs.com!
New Injection API Brings Email Assembly to SocketLabs On-Demand
New Injection API Now Available At SocketLabs we constantly look for ways to add value through new functionality to our hosted SMTP relay service SocketLabs On-Demand. Our new Injection API is one of those value-added features that provides developers with a new, flexible way to inject outbound email messages into our SocketLabs On-Demand service for delivery without using […]
Diagnosing SMTP Service Connection Issues

Are you having problems connecting to smptp.socketlabs.com? Come to SocketLabs today, and let us help diagnose your SMTP service connection issues!
Don’t Let Blacklisted Domains Affect Your Deliverability
Over the past few months, we have been working on designing and implementing a new ultra-efficient spam detection system across our entire outbound email delivery infrastructure. Processing billions of messages a year through our SMTP servers makes it difficult to scrutinize each and every message to the level of detail we desire. As we have incrementally […]
Are your DomainKey/DKIM keys secure enough?
If you are securing your email with DomainKeys or DKIM, please be aware of the key-length you are using. Our free DKIM tool generates 1024-bit keys.
Announcing Hurricane MTA Server Version 2.0
Hurricane MTA Server Version 2.0 Today we are pleased to announce version 2.0 of our industry leading Hurricane MTA Server. Hurricane MTA Server 2.0 is the next evolution of our high performance, high deliverability MTA. Under the Hood Running our own cloud SMTP service, which we built on top of Hurricane MTA Server, has given […]
New Suppression List Removal Process for Complaints
This morning we released an update to the SocketLabs On-Demand Control Panel with a new removal process for addresses suppressed due to a complaint. You now have the ability to remove any user from your Suppression List without any interaction with SocketLabs Support Team, making it easier than ever to directly manage your Suppression List. […]