basic/
basic.rs

1use std::{env, fs, path::Path};
2
3use mailgun_rs::{Attachment, AttachmentType, EmailAddress, Mailgun, MailgunRegion, Message};
4use std::collections::HashMap;
5
6fn main() {
7    let domain = &env::var("MAILGUN_DOMAIN").expect("MAILGUN_DOMAIN not set");
8    let key = &env::var("MAILGUN_API_KEY").expect("MAILGUN_API_KEY not set");
9    let recipient = "dongrium@gmail.com";
10
11    send_html(recipient, key, domain);
12    send_template(recipient, key, domain);
13    send_with_attachment(recipient, key, domain);
14    send_with_inline_attachment(recipient, key, domain);
15    println!("All emails sent successfully.");
16}
17
18fn send_html(recipient: &str, key: &str, domain: &str) {
19    let recipient = EmailAddress::address(recipient);
20    let message = Message {
21        to: vec![recipient],
22        subject: String::from("mailgun-rs"),
23        html: String::from("<h1>hello from mailgun</h1>"),
24        ..Default::default()
25    };
26    let client = Mailgun {
27        api_key: String::from(key),
28        domain: String::from(domain),
29    };
30    let sender = EmailAddress::name_address("no-reply", "no-reply@huatuo.xyz");
31
32    match client.send(MailgunRegion::US, &sender, message, None) {
33        Ok(_) => {
34            println!("successful");
35        }
36        Err(err) => {
37            println!("Error: {err}");
38        }
39    }
40}
41
42fn send_template(recipient: &str, key: &str, domain: &str) {
43    let mut template_vars = HashMap::new();
44    template_vars.insert(String::from("name"), String::from("Dongri Jin"));
45    let recipient = EmailAddress::address(recipient);
46    let message = Message {
47        to: vec![recipient],
48        subject: String::from("mailgun-rs"),
49        template: String::from("template-1"),
50        template_vars,
51        ..Default::default()
52    };
53    let client = Mailgun {
54        api_key: String::from(key),
55        domain: String::from(domain),
56    };
57    let sender = EmailAddress::name_address("no-reply", "no-reply@huatuo.xyz");
58
59    match client.send(MailgunRegion::US, &sender, message, None) {
60        Ok(_) => {
61            println!("successful");
62        }
63        Err(err) => {
64            println!("Error: {err}");
65        }
66    }
67}
68
69fn send_with_attachment(recipient: &str, key: &str, domain: &str) {
70    let recipient = EmailAddress::address(recipient);
71    let message = Message {
72        to: vec![recipient],
73        subject: String::from("mailgun-rs"),
74        html: String::from("<h1>hello from mailgun with attachment</h1>"),
75        ..Default::default()
76    };
77
78    let mut attachments = Vec::new();
79    for item in ["file-1", "file-2"] {
80        let file_name = format!("examples/attachments/sample-{item}.txt");
81        let absolute_path =
82            fs::canonicalize(Path::new(&file_name)).expect("cannot get absolute path");
83
84        attachments.push(
85            Attachment::builder()
86                .path(absolute_path.to_string_lossy().to_string())
87                .attachment_type(AttachmentType::Attachment)
88                .build(),
89        );
90    }
91
92    let client = Mailgun {
93        api_key: String::from(key),
94        domain: String::from(domain),
95    };
96
97    let sender = EmailAddress::name_address("no-reply", "no-reply@huatuo.xyz");
98
99    match client.send(MailgunRegion::US, &sender, message, Some(attachments)) {
100        Ok(_) => {
101            println!("successful");
102        }
103        Err(err) => {
104            println!("Error: {err}");
105        }
106    }
107}
108
109fn send_with_inline_attachment(recipient: &str, key: &str, domain: &str) {
110    let recipient = EmailAddress::address(recipient);
111    let message = Message {
112        to: vec![recipient],
113        subject: String::from("mailgun-rs"),
114        html: String::from(
115            "<h1>hello from mailgun with inline attachment</h1><img src=\"cid:inline.png\">",
116        ),
117        ..Default::default()
118    };
119
120    let mut attachments = Vec::new();
121    let file_name = "examples/attachments/sushi.png";
122    let absolute_path = fs::canonicalize(Path::new(&file_name)).expect("cannot get absolute path");
123
124    // Create an inline attachment
125    attachments.push(
126        Attachment::builder()
127            .path(absolute_path.to_string_lossy().to_string())
128            .attachment_type(AttachmentType::Inline)
129            .build(),
130    );
131
132    let client = Mailgun {
133        api_key: String::from(key),
134        domain: String::from(domain),
135    };
136
137    let sender = EmailAddress::name_address("no-reply", "no-reply@huatuo.xyz");
138
139    match client.send(MailgunRegion::US, &sender, message, Some(attachments)) {
140        Ok(_) => {
141            println!("successful");
142        }
143        Err(err) => {
144            println!("Error: {err}");
145        }
146    }
147}
148
149// MAILGUN_DOMAIN=xxx MAILGUN_API_KEY=xxx-xxx-xxx cargo run --package mailgun-rs --example basic
basic/basic.rs

basic/
basic.rs
