missive 0.6.2

Compose, deliver, preview, and test emails in Rust - pluggable providers with zero configuration code
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105

[package]
name = "missive"
version = "0.6.2"
edition = "2021"
description = "Compose, deliver, preview, and test emails in Rust - pluggable providers with zero configuration code"
license = "MIT"
repository = "https://github.com/jeffhuen/missive"
keywords = ["email", "smtp", "jmap", "ses", "resend"]
categories = ["email", "web-programming"]

[features]
default = []

# Internal features (not for direct use)
_http = ["dep:reqwest"]  # Shared HTTP client for API-based providers
_aws_sig = ["dep:ring", "dep:sha2", "dep:hex", "dep:urlencoding"]  # AWS Signature v4

# Providers
smtp = ["dep:lettre"]
resend = ["_http"]
unsent = ["_http"]
postmark = ["_http"]
sendgrid = ["_http", "dep:flate2"]
brevo = ["_http"]
mailgun = ["_http"]
amazon_ses = ["_http", "_aws_sig"]
mailtrap = ["_http"]
mailjet = ["_http"]
socketlabs = ["_http"]
gmail = ["smtp", "_http"]  # Uses lettre for RFC 2822 + HTTP for Gmail API
protonbridge = ["smtp"]  # Thin wrapper around SMTP for local Proton Bridge
jmap = ["_http"]  # JMAP protocol for Stalwart, Fastmail, etc.

# Development & Testing
local = ["dep:regex"]  # LocalMailer + test assertions (regex for matching)
preview = ["local", "dep:tiny_http"]  # Standalone preview server (primary)
preview-axum = ["local", "dep:axum", "dep:tower-http"]  # Embed in Axum app
preview-actix = ["local", "dep:actix-web"]  # Embed in Actix app

# Observability
metrics = ["dep:metrics"]  # Prometheus-style counters/histograms

# Templating
templates = ["dep:askama"]

# Bundles
full = ["smtp", "resend", "unsent", "postmark", "sendgrid", "brevo", "mailgun", "amazon_ses", "mailtrap", "mailjet", "socketlabs", "gmail", "protonbridge", "jmap", "local", "templates", "preview-axum"]
dev = ["local", "preview"]

[dependencies]
# Core
async-trait = "0.1"  # Required for dyn Mailer compatibility (see src/mailer.rs)
parking_lot = "0.12"
thiserror = "2"
serde = { version = "1", features = ["derive"] }
serde_json = "1"
chrono = { version = "0.4", features = ["serde"] }
uuid = { version = "1", features = ["v4"] }
tracing = "0.1"
mime_guess = "2"
base64 = "0.22"
email_address = "0.2"
idna = "1.0"

# Optional: SMTP
lettre = { version = "0.11", default-features = false, features = ["tokio1-rustls-tls", "smtp-transport", "builder"], optional = true }

# Optional: HTTP-based providers
reqwest = { version = "0.12", default-features = false, features = ["json", "rustls-tls", "multipart"], optional = true }

# Optional: Preview UI (Axum)
axum = { version = "0.8", optional = true }
tower-http = { version = "0.6", features = ["fs"], optional = true }

# Optional: Preview UI (Actix)
actix-web = { version = "4", optional = true }

# Optional: Standalone preview server
tiny_http = { version = "0.12", optional = true }

# Optional: Local mailer
regex = { version = "1", optional = true }

# Optional: Templating
askama = { version = "0.13", optional = true }

# Optional: Metrics
metrics = { version = "0.24", optional = true }

# Optional: AWS Signature v4 (for Amazon SES)
ring = { version = "0.17", optional = true }
sha2 = { version = "0.10", optional = true }
hex = { version = "0.4", optional = true }
urlencoding = { version = "2", optional = true }

# Optional: Compression (for SendGrid)
flate2 = { version = "1.0", optional = true }

[dev-dependencies]
tokio = { version = "1", features = ["full", "test-util"] }
wiremock = "0.6"
serde_urlencoded = "0.7"
tower = { version = "0.5", features = ["util"] }
http-body-util = "0.1"
ureq = { version = "2", features = ["json"] }