SocketLabs can be used as a very powerful hosted SMTP relay service. It replaces either an on-premise SMTP server like IIS or Sendmail or an SMTP service hosted by your ISP. It is built specifically for the demands and challenges of sending bulk email for marketing, alerting, or transactional purposes and provides high visibility into your mail stream unlike traditional SMTP servers. It is very fast and easy to set up and use. The following information will help provide a basic guide for configuring your applications to use SocketLabs as an SMTP Relay.
Log into the Control Panel at https://cp.socketlabs.com. Once in the Control Panel, click the View button next to your Server to go to the Server Dashboard. From the Server Dashboard click the Configuration option, then select SMTP Credentials in the dropdown menu. Please keep your SMTP Credentials secure. While you are in the Control Panel, it might be a good time to look around and see all the reports, settings, features and functionality available to you.
When we have completed provisioning your new service, you will receive an email from SocketLabs that details how to obtain your SMTP authentication details and server address. This will replace the SMTP server address that may be currently configured within your application (exceptions are if you are using an email client like Microsoft Outlook). The user name and password are used to authenticate using SMTP authentication. Most applications should support SMTP authentication. If yours does not, we can put your SMTP client IP address on a whitelist as an alternative.
Most email marketing software like SendBlaser, GroupMail, Interspire, Arial Software, and eNewsletter Pro have settings for configuring the SMTP server you want to use to deliver your email. Use the server name, user name, and password which we have provided. If a setting is available for the SMTP port, make sure this is set to 25. After these values have been entered into your application, it should be able to send email through the SocketLabs On-Demand platform.
You can use a standard email client like Microsoft Outlook, Outlook Express, or Apple Mail to relay email through SocketLabs. These clients may not, however, let you simply create an outbound-only connection. We recommend that you create a new account within our client different from the account you use for your person-to-person email. When you create a new account it should be a POP account. You will have to supply the incoming POP server credentials, as well as the outgoing SMTP server credentials. Make sure that you are connecting on port 25 for your SMTP settings. Use the same server name, user name, and password for the POP credentials (even though any attempt at downloading email will fail). That is OK. It is outbound SMTP that matters. When you have entered in all of the POP and SMTP information, you should utilize the Test Connection facility that is typical of these clients to make sure your outbound SMTP connection is working.
If you are going to be sending email through your residential cable internet service you should be aware that most of these ISPs will block access to third party SMTP servers through the default port 25. In this case you can use an alternative port of 2525 when configuring your SMTP connection.
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