PerfectlySoft / Perfect-SMTP

SMTP Client for Perfect.

Home Page:https://www.perfect.org

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Swift 4.1 Platforms OS X | Linux License Apache PerfectlySoft Twitter Slack Status

This project provides an SMTP library.

This package builds with Swift Package Manager and is part of the Perfect project.

Ensure you have installed and activated the latest Swift 4.1.1 tool chain.

Linux Build Note

Please make sure libssl-dev was installed on Ubuntu 16.04:

$ sudo apt-get install libssl-dev

The Best Practice

Prior to code with Perfect-SMTP, please feel free to try SMTP command line example by curl.

This command line tool can be helpful to understand the SMTP protocol and the objective server you are going to work with.

Quick Start

To use SMTP class, please modify the Package.swift file and add following dependency:

.package(url: "https://github.com/PerfectlySoft/Perfect-SMTP.git", from: "3.0.0")

Then please import SMTP library into the swift source code:

import PerfectSMTP

Data Structures

Perfect SMTP contains three different data structures: SMTPClient, Recipient and EMail.

SMTPClient

SMTPClient object is a data structure to store mail server login information:

let client = SMTPClient(url: "smtp://mailserver.address", username: "someone@some.where", password:"secret")

Recipient

Recipient object is a data structure which store one's name and email address:

let recipient = Recipient(name: "Someone's Full Name", address: "someone@some.where")

EMail

Using email object to compose and send an email. Check the following example code:

// initialize an email draft with mail connection / login info
var email = EMail(client: client)

// set the title of email
email.subject = "Mail Title"

// set the sender info
email.from = Recipient(name: "My Full Name", address: "mynickname@my.home")

// fill in the main content of email, plain text or html
email.html = "<h1>Hello, world!</h1><hr><img src='http://www.perfect.org/images/perfect-logo-2-0.svg'>"

// set the mail recipients, to / cc / bcc are all arrays
email.to.append(Recipient(name: "First Receiver", address: "someone@some.where"))
email.cc.append(Recipient(name: "Second Receiver", address: "someOtherOne@some.where"))
email.bcc.append(Recipient(name: "An invisible receiver", address: "someoneElse@some.where"))

// add attachments
email.attachments.append("/path/to/file.txt")
email.attachments.append("/path/to/img.jpg")

// send the email and call back if done.
do {
  try email.send { code, header, body in
    /// response info from mail server
    print(code)
    print(header)
    print(body)
  }//end send
}catch(let err) {
  /// something wrong
}

Members of EMail Object

  • client: SMTPClient, login info for mail server connection
  • to: [Recipient], array of mail recipients
  • cc: [Recipient], array of mail recipients, "copy / forward"
  • bcc:[Recipient], array of mail recipients, will not appear in the to / cc mail.
  • from: Recipient, email address of the current sender
  • subject: String, title of the email
  • attachments: [String], full path of attachments, i.e., ["/path/to/file1.txt", "/path/to/file2.gif" ...]
  • content: String, mail body in text, plain text or html
  • html: String, alias of content (share the same variable as content)
  • text: String, set the content to plain text
  • send(completion: @escaping ((Int, String, String)->Void)), function of sending email with callback. The completion callback has three parameters, please check Perfect-CURL performFully() for more information:
    • code: Int, mail server response code. Zero for OK.
    • header: String, mail server response header string.
    • body: String, mail server response body string.

Example

A demo can be found here: Perfect SMTP Demo

Tips for SMTPS

We've received a lot of requests about google smtp examples, Thanks for @ucotta @james and of course the official Perfect support from @iamjono, this note might be helpful for building gmail applications: ⚠️*the SMTPClient url needs to be smtps://smtp.gmail.com, and you may need to “turn on access for less secure apps” in the google settings.*⚠️

Please check the SMTPS code below, note the only difference is the URL pattern:

import PerfectSMTP

let client = SMTPClient(url: "smtps://smtp.gmail.com", username: "yourname@gmail.com", password:"yourpassword")

var email = EMail(client: client)

email.subject = "a topic"
email.content = "a message"

email.cc.append(Recipient(address: "who@where.com"))

do {
  try email.send { code, header, body in
    /// response info from mail server
    print(code)
  }//end send
}catch(let err) {
  /// something wrong
}

Further Information

For more information on the Perfect project, please visit perfect.org.

About

SMTP Client for Perfect.

https://www.perfect.org

License:Apache License 2.0


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