Posts Tagged ‘email delivery’

14
Dec

Spring, JavaMailSender, and SMTP Authentication

When running a legitimate business that sends large amounts of email, it can be a real challenge to make sure these critical emails are delivered to a user's Inbox. If your subscribers are actually paying you to send email on their behalf, the situation becomes even more precarious. It is certainly possible to run your own outbound mail server and to get excellent delivery. But to do so you have to be set up and manage things like SPF and DomainKeys entries in DNS, you must continually monitor your sender reputation, and you must act quickly to remove your server from any black lists. Most of all you must be vigilant about securing your mail server from malicious spammers who will use any vulnerability to ruin your hard-won reputation. I have worked with businesses that send hundreds of thousands of legitimate emails per month. Some of these companies have employees who's job function it is to monitor and guarantee delivery. Believe me this is a difficult, frustrating, and time-consuming job. For most small businesses it just does not make financial sense to dedicate personnel to this task. I recommend that my clients run their newsletters through paid services such as Constant