Smtp support

Author: mrz1836

README.md

@@ -31,18 +31,19 @@ $ dep ensure -update -v
 
 ### Package Dependencies
 - domodwyer's [mailyak](https://github.com/domodwyer/mailyak)
-- keighl's [postmark](https://github.com/keighl/postmark)
+- keighl's [postmark](https://github.com/mrz1836/postmark)
 - mattbaird's [gochimp](https://github.com/mattbaird/gochimp)
-- sourcegraph's [go-ses](https://github.com/sourcegraph/go-ses)
 - mrz1836's [go-logger](https://github.com/mrz1836/go-logger)
+- sourcegraph's [go-ses](https://github.com/sourcegraph/go-ses)
 
 ## Documentation
 You can view the generated [documentation here](https://godoc.org/github.com/mrz1836/go-mail).
 
 ### Supported Service Providers
+- [AWS SES](https://docs.aws.amazon.com/ses/)
 - [Mandrill](https://mandrillapp.com/api/docs/)
 - [Postmark](https://postmarkapp.com/developer)
-- [AWS SES](https://docs.aws.amazon.com/ses/)
+- [SMTP](https://en.wikipedia.org/wiki/Simple_Mail_Transfer_Protocol)
 
 ### Features
 - Uses MrZ's [go-logger](https://github.com/mrz1836/go-logger) for either local or remote logging via [LogEntries](https://logentries.com/)
@@ -103,9 +104,9 @@ func main() {
 ## Contributing
 
 This project uses:
-- keighl's [postmark](https://github.com/keighl/postmark) package
-- mattbaird's [gochimp](https://github.com/mattbaird/gochimp) package
 - domodwyer's [mailyak](https://github.com/domodwyer/mailyak) package
+- keighl's [postmark](https://github.com/mrz1836/postmark) package
+- mattbaird's [gochimp](https://github.com/mattbaird/gochimp) package
 - sourcegraph's [go-ses](https://github.com/sourcegraph/go-ses) package
 
 View the [contributing guidelines](CONTRIBUTING.md) and follow the [code of conduct](CODE_OF_CONDUCT.md).

smtp.go

@@ -1 +1,77 @@
 package gomail
+
+import (
+	"fmt"
+
+	"github.com/domodwyer/mailyak"
+	"github.com/mrz1836/go-logger"
+)
+
+// sendWithSmtp sends an email using the smtp service
+func (m *MailService) sendWithSmtp(email *Email) (err error) {
+
+	// Create new mail message
+	mail := mailyak.New(fmt.Sprintf("%s:%d", m.SmtpHost, m.SmtpPort), m.smtpAuth)
+
+	// Add the to recipients
+	mail.To(email.Recipients...)
+
+	// Add the cc recipients
+	if len(email.RecipientsCc) > 0 {
+		mail.Cc(email.RecipientsCc...)
+	}
+
+	// Add the bcc recipients
+	if len(email.RecipientsBcc) > 0 {
+		mail.WriteBccHeader(true)
+		mail.Bcc(email.RecipientsBcc...)
+	}
+
+	// Add the basics
+	mail.From(email.FromAddress)
+	mail.FromName(email.FromName)
+	mail.Subject(email.Subject)
+
+	// Add a custom reply to address
+	if len(email.ReplyToAddress) > 0 {
+		mail.ReplyTo(email.ReplyToAddress)
+	}
+
+	// Add plain text
+	if len(email.PlainTextContent) > 0 {
+		mail.Plain().Set(email.PlainTextContent)
+	}
+
+	// Add html
+	if len(email.HTMLContent) > 0 {
+		mail.HTML().Set(email.HTMLContent)
+	}
+
+	// Add any attachments
+	if len(email.Attachments) > 0 {
+		for _, att := range email.Attachments {
+			mail.Attach(att.FileName, att.FileReader)
+		}
+	}
+
+	// Add importance?
+	if email.Important {
+		mail.AddHeader("X-Priority", "1 (Highest)")
+		mail.AddHeader("X-MSMail-Priority", "High")
+		mail.AddHeader("Importance", "High")
+	}
+
+	// Warn about features that are set but not available
+	if email.TrackClicks {
+		logger.Data(2, logger.WARN, "track clicks is enabled, but aws ses does not offer this feature")
+	}
+	if email.TrackOpens {
+		logger.Data(2, logger.WARN, "track opens is enabled, but aws ses does not offer this feature")
+	}
+	if email.AutoText {
+		logger.Data(2, logger.WARN, "auto text is enabled, but aws ses does not offer this feature")
+	}
+
+	// Send via smtp
+	return mail.Send()
+}