Reliable email notifications are important when teams depend on SonarQube alerts and workflow updates. I’m exploring SMTP options for sending SonarQube notifications and related automated emails. When comparing a mass mailing service provider, I’m mainly considering SMTP authentication, deliverability, reliability, and integration with existing infrastructure. I came across SMTPmart while researching providers and would be interested in hearing about practical experiences with external SMTP services. What factors should I consider when selecting a mass mailing service provider for SonarQube notifications?