Send and Receive Emails in ASP.NET C#

An ASP.NET C# email-sending tutorial outlines two primary approaches: connecting to an SMTP server with the MailKit library or using an email API such as Mailtrap’s service. It explains how to configure sender, recipient, server, authentication, and API-key details, while noting that values must be adapted for the selected provider and that ASP.NET Core uses different implementation patterns. The tutorial also demonstrates sending HTML messages with plain-text fallbacks, embedding inline images through linked resources, attaching files, and delivering messages to multiple recipients. Although direct delivery through DNS MX record lookups is technically possible, it is discouraged because of spam, performance, and server-resolution concerns; using a managed SMTP or API service is presented as a more reliable alternative with delivery monitoring and authentication support.

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