README
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Email Notifier Usage
Inline Images in Templates
To embed images directly into the email body (inline images):
- Pass the image file path when calling the
Sendmethod. - Reference the image in your HTML template using
cid:<filename>.
Example
Suppose you have an image named logo.png that you want to include in the email.
1. Go Code
Pass the absolute path to logo.png as an attachment argument to Send.
// ... initialize notifier ...
// Send email with "welcome" template and attach logo.png
err := notifier.Send("welcome", data, "/path/to/assets/logo.png")
if err != nil {
// handle error
}
The Send method logic (in smtp.go) automatically detects that logo.png is an image and sets its Content-ID to the filename logo.png.
2. HTML Template Configuration
In your EmailTmpl configuration, use cid:logo.png in the src attribute of the <img> tag.
notifier.Template = map[string]*notify.EmailTmpl{
"welcome": {
Subject: "Welcome to our Service",
// Use 'cid:' followed by the filename (base name) of the attached image
Body: `
<html>
<body>
<h1>Hello, {{.Name}}</h1>
<p>Here is our logo:</p>
<img src="cid:logo.png" alt="Company Logo" />
</body>
</html>
`,
Receivers: []string{"user@example.com"},
},
}
Note
- The
Content-IDis generated from the base filename of the attachment (e.g.,filepath.Base("/path/to/assets/logo.png")->logo.png). - Ensure the filename in
cid:<filename>matches exactly with the attached file's name.
Documentation
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Index ¶
Constants ¶
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Variables ¶
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Functions ¶
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Types ¶
type EmailNotifer ¶
type EmailNotifer struct {
Logger *zap.Logger
From string
//Receivers []string
SMTP SmtpSettings
Template map[string]*EmailTmpl
Once sync.Once
}
func (*EmailNotifer) PostInit ¶
func (en *EmailNotifer) PostInit() error
Source Files
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