(Excel) Send HTML Email with Image to iPhone

Demonstrates how to compose an HTML email with an embedded image that will display correctly on an iPhone. This example produces an email that looks like this on the iPhone:

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Chilkat Excel Class Modules

' This example requires the Chilkat API to have been previously unlocked.
' See Global Unlock Sample for sample code.

' The mailman object is used for sending and receiving email.
Dim mailman As Chilkat.MailMan
Set mailman = Chilkat.NewMailMan

' Use your SMTP server hostname.  This example uses office365, but it could be any SMTP server..
mailman.SmtpHost = "outlook.office365.com"
mailman.SmtpPort = 587
mailman.StartTLS = True

' Set the SMTP login/password
mailman.SmtpUsername = "OFFICE365-SMTP-LOGIN"
mailman.SmtpPassword = "OFFICE365-SMTP-PASSWORD"

' Create a new email object
Dim email As Chilkat.Email
Set email = Chilkat.NewEmail
email.Subject = "Testing for Chilkat SMTP API..."
email.Body = "Testing for Chilkat SMTP API..."
email.From = "Chilkat Support <my-office365-user@mydomain.com>"
Dim success As Boolean
success = email.AddTo("Chilkat Support","support@chilkatsoft.com")

' For whatever reason, the iPhone's email program requires
' images in HTML to be referenced by Content-ID.  Therefore,
' we must add the image like this:

contentIdStarfish = email.AddRelatedFile("qa_data/jpg/starfish.jpg")
If (email.LastMethodSuccess <> True) Then
    Debug.Print email.LastErrorText
    Exit Sub
End If

' The src attribute for the image tag is set to the contentIdStarfish:
Dim sbHtml As Chilkat.StringBuilder
Set sbHtml = Chilkat.NewStringBuilder
success = sbHtml.Append("<html><body><p>This is an HTML email with an embedded image.</p>")
success = sbHtml.Append("<p><img src=""cid:CONTENT_ID_STARFISH"" /></p></body></html>")

numReplacements = sbHtml.Replace("CONTENT_ID_STARFISH",contentIdStarfish)

email.SetHtmlBody sbHtml.GetAsString()


success = mailman.SendEmail(email)
If (success <> True) Then
    Debug.Print mailman.LastErrorText
Else
    Debug.Print "Mail Sent!"
End If