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The SocketLabs On-Demand delivery infrastructure allows for senders to tag each outbound message with two custom identifiers [MailingID, MessageID] that help improve reporting capabilites.  These values are included in the message header before SMTP injection, or they are specified as a parameter in the HTTP Injection API.  For more information on setting up these values […]

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Initial SMTP Service Connection Troubleshooting Steps If you are having problems connecting to smtp.socketlabs.com there are some basic tests that can be performed to try and diagnose the issue that is occurring. It is important to understand smtp.socketlabs.com is designed as a highly available system. Since the implementation of our highly available design we have achieved […]

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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 […]

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SocketLabs is excited to announce that today we will be releasing a major update to the SocketLabs On-Demand Control Panel. We have completely rewritten the all-new SocketLabs On-Demand Control Panel from scratch and we have included some great new features.  While maintaining a similar look and feel, we have drastically improved the Control Panel’s performance. Below […]

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As we close out 2012 we want to especially thank our wonderful customers for placing their trust in SocketLabs for both our world-class on-premise and hosted SMTP server solutions.  Your commitment to SocketLabs has not only allowed us to expand and enhance our products and services but, also to give back to organizations that are […]

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One of the cool new features of the Hurricane MTA Server 2.0 release is the new HTTP Event Engine.  What’s cool about the Event Engine is that you can now have Hurricane MTA Server send your application delivery events like sent, bounced, failed and feedback loops directly, in real-time without having to parse log files […]

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If you are securing your outbound email with DomainKeys or DKIM, please be aware of the key-length you are using.  It has recently come to light that using DomainKeys or DKIM (DomainKeys Identified Mail) with key lengths of less than 1024-bit could enable others to forge messages from your domain. This is important to everyone, […]

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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 […]

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Comcast has recently announced several changes to its residential Internet service.  The most notable change is the block of TCP port 25.  Port 25 is the default SMTP port used to send email on the Internet.  Most email clients by default use port 25 to send email.  The net effect of this block is that […]

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What is a smart host and why would I need one? A smart host like the SMTP Smart Host can be defined as an intermediary SMTP relay server between a sender’s email server and the recipient’s email server.  Most often a smart host server or service is used to either overcome a limitation by the […]

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Customers Who Trust in SocketLabs

You’re in good company when working with SocketLabs. Here are some companies who have also trusted SocketLabs.

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