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https://github.com/ruby/net-smtp

This library provides functionality to send internet mail via SMTP, the Simple Mail Transfer Protocol.
https://github.com/ruby/net-smtp

Keywords

hacktoberfest ruby

Keywords from Contributors

webrick rubygems bigdecimal repl debugger debugging-tool strscan lalr-parser-generator parser-generator documentation-tool

Last synced: about 10 hours ago
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Repository metadata

This library provides functionality to send internet mail via SMTP, the Simple Mail Transfer Protocol.

README.md

Net::SMTP

This library provides functionality to send internet mail via SMTP, the Simple Mail Transfer Protocol.

For details of SMTP itself, see RFC2821.

Installation

Add this line to your application's Gemfile:

gem 'net-smtp'

And then execute:

$ bundle

Or install it yourself as:

$ gem install net-smtp

Usage

Sending Messages

You must open a connection to an SMTP server before sending messages.
The first argument is the address of your SMTP server, and the second
argument is the port number. Using SMTP.start with a block is the simplest
way to do this. This way, the SMTP connection is closed automatically
after the block is executed.

require 'net/smtp'
Net::SMTP.start('your.smtp.server', 25) do |smtp|
  # Use the SMTP object smtp only in this block.
end

Replace 'your.smtp.server' with your SMTP server. Normally
your system manager or internet provider supplies a server
for you.

Then you can send messages.

msgstr = <<END_OF_MESSAGE
From: Your Name <your@mail.address>
To: Destination Address <someone@example.com>
Subject: test message
Date: Sat, 23 Jun 2001 16:26:43 +0900
Message-Id: <unique.message.id.string@example.com>

This is a test message.
END_OF_MESSAGE

require 'net/smtp'
Net::SMTP.start('your.smtp.server', 25) do |smtp|
  smtp.send_message msgstr,
                    'your@mail.address',
                    'his_address@example.com'
end

Closing the Session

You MUST close the SMTP session after sending messages, by calling
the #finish method:

# using SMTP#finish
smtp = Net::SMTP.start('your.smtp.server', 25)
smtp.send_message msgstr, 'from@address', 'to@address'
smtp.finish

You can also use the block form of SMTP.start/SMTP#start. This closes
the SMTP session automatically:

# using block form of SMTP.start
Net::SMTP.start('your.smtp.server', 25) do |smtp|
  smtp.send_message msgstr, 'from@address', 'to@address'
end

I strongly recommend this scheme. This form is simpler and more robust.

Development

After checking out the repo, run bin/setup to install dependencies. Then, run rake test to run the tests. You can also run bin/console for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and tags, and push the .gem file to rubygems.org.

Contributing

Bug reports and pull requests are welcome on GitHub at https://github.com/ruby/net-smtp.

Owner metadata

GitHub Events

Total
Last Year

Committers metadata

Last synced: 2 days ago

Total Commits: 252
Total Committers: 43
Avg Commits per committer: 5.86
Development Distribution Score (DDS): 0.746

Commits in past year: 2
Committers in past year: 1
Avg Commits per committer in past year: 2.0
Development Distribution Score (DDS) in past year: 0.0

Name Email Commits
aamine a****e@b****e 64
TOMITA Masahiro t****y@t****g 41
Hiroshi SHIBATA h****t@r****g 34
nobu n****u@b****e 14
matz m****z@b****e 12
kazu k****u@b****e 8
shugo s****o@b****e 7
tenderlove t****e@b****e 6
nick evans n****s@g****m 6
drbrain d****n@b****e 5
dependabot[bot] 4****] 4
gsinclair g****r@b****e 3
Arnt Gulbrandsen a****t@g****o 3
Jeremy Evans c****e@j****t 3
Olle Jonsson o****n@g****m 3
Kazuki Yamaguchi k@r****p 3
Yusuke Endoh m****e@r****g 3
zzak z****k@b****e 2
normal n****l@b****e 2
glass g****s@b****e 2
Takashi Kokubun t****n@g****m 2
Tom Freudenberg t****g@4****e 2
Yuta Saito k****n@g****m 2
ko1 k****1@b****e 2
shyouhei s****i@b****e 1
ojab o****b@o****u 1
naruse n****e@b****e 1
mohamed m****z@g****m 1
marcandre m****e@b****e 1
m-nakamura145 m****5@g****m 1
and 13 more...

Committer domains:

Issue and Pull Request metadata

Last synced: 19 days ago

Total issues: 12
Total pull requests: 94
Average time to close issues: 5 months
Average time to close pull requests: 28 days
Total issue authors: 11
Total pull request authors: 27
Average comments per issue: 1.33
Average comments per pull request: 0.65
Merged pull request: 71
Bot issues: 0
Bot pull requests: 4

Past year issues: 1
Past year pull requests: 3
Past year average time to close issues: N/A
Past year average time to close pull requests: about 21 hours
Past year issue authors: 1
Past year pull request authors: 2
Past year average comments per issue: 0.0
Past year average comments per pull request: 1.0
Past year merged pull request: 1
Past year bot issues: 0
Past year bot pull requests: 2

More stats: https://issues.ecosyste.ms/repositories/lookup?url=https://github.com/ruby/net-smtp

Top Issue Authors

  • Neustradamus (2)
  • JensDebergh (1)
  • Lex1027 (1)
  • RalphAtHamburg (1)
  • hengwoon (1)
  • yahonda (1)
  • mohamedhafez (1)
  • papeng (1)
  • jrafanie (1)
  • ojab (1)
  • aaronjensen (1)

Top Pull Request Authors

  • tmtm (30)
  • nevans (13)
  • hsbt (12)
  • kateinoigakukun (4)
  • dependabot[bot] (4)
  • olleolleolle (3)
  • sorah (2)
  • m-nakamura145 (2)
  • casperisfine (2)
  • mantas (2)
  • tas50 (2)
  • bquorning (2)
  • mohamedhafez (2)
  • znz (1)
  • TomFreudenberg (1)

Top Issue Labels

Top Pull Request Labels

  • dependencies (4)
  • github_actions (2)

Package metadata

gem.coop: net-smtp

Simple Mail Transfer Protocol client library for Ruby.

  • Homepage: https://github.com/ruby/net-smtp
  • Documentation: http://www.rubydoc.info/gems/net-smtp/
  • Licenses: Ruby,BSD-2-Clause
  • Latest release: 0.5.1 (published about 1 year ago)
  • Last Synced: 2026-03-01T11:03:20.017Z (3 days ago)
  • Versions: 14
  • Dependent Packages: 0
  • Dependent Repositories: 0
  • Downloads: 270,962,707 Total
  • Docker Downloads: 3,628,708,690
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  • Maintainers (3)
rubygems.org: net-smtp

Simple Mail Transfer Protocol client library for Ruby.

  • Homepage: https://github.com/ruby/net-smtp
  • Documentation: http://www.rubydoc.info/gems/net-smtp/
  • Licenses: Ruby,BSD-2-Clause
  • Latest release: 0.5.1 (published about 1 year ago)
  • Last Synced: 2026-02-28T12:03:28.379Z (3 days ago)
  • Versions: 14
  • Dependent Packages: 73
  • Dependent Repositories: 35,043
  • Downloads: 270,858,251 Total
  • Docker Downloads: 3,628,708,690
  • Rankings:
    • Docker downloads count: 0.025%
    • Dependent repos count: 0.177%
    • Downloads: 0.232%
    • Dependent packages count: 0.42%
    • Average: 2.543%
    • Forks count: 5.279%
    • Stargazers count: 9.124%
  • Maintainers (3)
proxy.golang.org: github.com/ruby/net-smtp

  • Homepage:
  • Documentation: https://pkg.go.dev/github.com/ruby/net-smtp#section-documentation
  • Licenses: other
  • Latest release: v0.5.1 (published about 1 year ago)
  • Last Synced: 2026-03-01T11:27:18.310Z (2 days ago)
  • Versions: 12
  • Dependent Packages: 0
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  • Rankings:
    • Forks count: 4.536%
    • Stargazers count: 6.801%
    • Average: 7.928%
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alpine-v3.18: ruby-net-smtp

Simple Mail Transfer Protocol client library for Ruby

  • Homepage: https://github.com/ruby/net-smtp
  • Licenses: BSD-2-Clause AND Ruby
  • Latest release: 0.3.4-r0 (published almost 2 years ago)
  • Last Synced: 2026-02-03T04:47:46.067Z (29 days ago)
  • Versions: 2
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alpine-v3.18: ruby-net-smtp-doc

Simple Mail Transfer Protocol client library for Ruby (ri docs)

  • Homepage: https://github.com/ruby/net-smtp
  • Licenses: BSD-2-Clause AND Ruby
  • Latest release: 0.3.4-r0 (published almost 2 years ago)
  • Last Synced: 2026-02-03T04:48:17.101Z (29 days ago)
  • Versions: 2
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alpine-v3.16: ruby-net-smtp-doc

Simple Mail Transfer Protocol client library for Ruby (ri docs)

  • Homepage: https://github.com/ruby/net-smtp
  • Licenses: BSD-2-Clause AND Ruby
  • Latest release: 0.3.4-r0 (published almost 2 years ago)
  • Last Synced: 2026-02-03T04:47:35.565Z (29 days ago)
  • Versions: 2
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    • Forks count: 15.689%
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alpine-v3.16: ruby-net-smtp

Simple Mail Transfer Protocol client library for Ruby

  • Homepage: https://github.com/ruby/net-smtp
  • Licenses: BSD-2-Clause AND Ruby
  • Latest release: 0.3.4-r0 (published almost 2 years ago)
  • Last Synced: 2026-02-03T04:47:53.376Z (29 days ago)
  • Versions: 2
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    • Forks count: 15.689%
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alpine-edge: ruby-net-smtp

Simple Mail Transfer Protocol client library for Ruby

  • Homepage: https://github.com/ruby/net-smtp
  • Licenses: BSD-2-Clause AND Ruby
  • Latest release: 0.5.1-r0 (published 11 months ago)
  • Last Synced: 2026-02-23T08:01:34.957Z (9 days ago)
  • Versions: 6
  • Dependent Packages: 0
  • Dependent Repositories: 0
  • Rankings:
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    • Dependent packages count: 14.641%
    • Average: 15.489%
    • Forks count: 21.619%
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  • Maintainers (1)
alpine-edge: ruby-net-smtp-doc

Simple Mail Transfer Protocol client library for Ruby (ri docs)

  • Homepage: https://github.com/ruby/net-smtp
  • Licenses: BSD-2-Clause AND Ruby
  • Latest release: 0.5.1-r0 (published 11 months ago)
  • Last Synced: 2026-02-23T08:01:33.294Z (9 days ago)
  • Versions: 6
  • Dependent Packages: 0
  • Dependent Repositories: 0
  • Rankings:
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    • Dependent packages count: 14.641%
    • Average: 15.489%
    • Forks count: 21.619%
    • Stargazers count: 25.697%
  • Maintainers (1)
alpine-v3.17: ruby-net-smtp

Simple Mail Transfer Protocol client library for Ruby

  • Homepage: https://github.com/ruby/net-smtp
  • Licenses: BSD-2-Clause AND Ruby
  • Latest release: 0.3.4-r0 (published almost 2 years ago)
  • Last Synced: 2026-03-02T09:14:05.512Z (1 day ago)
  • Versions: 2
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  • Maintainers (1)
alpine-v3.17: ruby-net-smtp-doc

Simple Mail Transfer Protocol client library for Ruby (ri docs)

  • Homepage: https://github.com/ruby/net-smtp
  • Licenses: BSD-2-Clause AND Ruby
  • Latest release: 0.3.4-r0 (published almost 2 years ago)
  • Last Synced: 2026-03-02T09:14:06.103Z (1 day ago)
  • Versions: 2
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    • Average: 16.931%
    • Forks count: 18.693%
    • Stargazers count: 21.775%
    • Dependent packages count: 27.254%
  • Maintainers (1)
alpine-v3.22: ruby-net-smtp-doc

Simple Mail Transfer Protocol client library for Ruby (ri docs)

  • Homepage: https://github.com/ruby/net-smtp
  • Licenses: BSD-2-Clause AND Ruby
  • Latest release: 0.5.1-r0 (published 11 months ago)
  • Last Synced: 2026-02-03T04:47:52.600Z (29 days ago)
  • Versions: 1
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  • Maintainers (1)
alpine-v3.21: ruby-net-smtp-doc

Simple Mail Transfer Protocol client library for Ruby (ri docs)

  • Homepage: https://github.com/ruby/net-smtp
  • Licenses: BSD-2-Clause AND Ruby
  • Latest release: 0.5.1-r0 (published 10 months ago)
  • Last Synced: 2026-02-03T04:47:54.298Z (29 days ago)
  • Versions: 2
  • Dependent Packages: 0
  • Dependent Repositories: 0
  • Rankings:
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    • Dependent packages count: 0.0%
    • Average: 100%
  • Maintainers (1)
alpine-v3.22: ruby-net-smtp

Simple Mail Transfer Protocol client library for Ruby

  • Homepage: https://github.com/ruby/net-smtp
  • Licenses: BSD-2-Clause AND Ruby
  • Latest release: 0.5.1-r0 (published 11 months ago)
  • Last Synced: 2026-02-03T04:48:23.508Z (29 days ago)
  • Versions: 1
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  • Rankings:
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    • Dependent packages count: 0.0%
    • Average: 100%
  • Maintainers (1)
alpine-v3.20: ruby-net-smtp-doc

Simple Mail Transfer Protocol client library for Ruby (ri docs)

  • Homepage: https://github.com/ruby/net-smtp
  • Licenses: BSD-2-Clause AND Ruby
  • Latest release: 0.5.1-r0 (published 10 months ago)
  • Last Synced: 2026-02-03T04:47:57.804Z (29 days ago)
  • Versions: 2
  • Dependent Packages: 0
  • Dependent Repositories: 0
  • Rankings:
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    • Dependent packages count: 0.0%
    • Average: 100%
  • Maintainers (1)
alpine-v3.21: ruby-net-smtp

Simple Mail Transfer Protocol client library for Ruby

  • Homepage: https://github.com/ruby/net-smtp
  • Licenses: BSD-2-Clause AND Ruby
  • Latest release: 0.5.1-r0 (published 10 months ago)
  • Last Synced: 2026-02-03T04:48:07.648Z (29 days ago)
  • Versions: 2
  • Dependent Packages: 0
  • Dependent Repositories: 0
  • Rankings:
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    • Dependent packages count: 0.0%
    • Average: 100%
  • Maintainers (1)
alpine-v3.20: ruby-net-smtp

Simple Mail Transfer Protocol client library for Ruby

  • Homepage: https://github.com/ruby/net-smtp
  • Licenses: BSD-2-Clause AND Ruby
  • Latest release: 0.5.1-r0 (published 10 months ago)
  • Last Synced: 2026-02-03T04:48:18.949Z (29 days ago)
  • Versions: 2
  • Dependent Packages: 0
  • Dependent Repositories: 0
  • Rankings:
    • Dependent repos count: 0.0%
    • Dependent packages count: 0.0%
    • Average: 100%
  • Maintainers (1)
alpine-v3.19: ruby-net-smtp

Simple Mail Transfer Protocol client library for Ruby

  • Homepage: https://github.com/ruby/net-smtp
  • Licenses: BSD-2-Clause AND Ruby
  • Latest release: 0.3.4-r0 (published almost 2 years ago)
  • Last Synced: 2026-02-03T04:47:47.613Z (29 days ago)
  • Versions: 2
  • Dependent Packages: 0
  • Dependent Repositories: 0
  • Rankings:
    • Dependent repos count: 0.0%
    • Dependent packages count: 0.0%
    • Average: 100%
  • Maintainers (1)
alpine-v3.19: ruby-net-smtp-doc

Simple Mail Transfer Protocol client library for Ruby (ri docs)

  • Homepage: https://github.com/ruby/net-smtp
  • Licenses: BSD-2-Clause AND Ruby
  • Latest release: 0.3.4-r0 (published almost 2 years ago)
  • Last Synced: 2026-02-03T04:48:41.573Z (29 days ago)
  • Versions: 2
  • Dependent Packages: 0
  • Dependent Repositories: 0
  • Rankings:
    • Dependent repos count: 0.0%
    • Dependent packages count: 0.0%
    • Average: 100%
  • Maintainers (1)
alpine-v3.23: ruby-net-smtp-doc

Simple Mail Transfer Protocol client library for Ruby (ri docs)

  • Homepage: https://github.com/ruby/net-smtp
  • Licenses: BSD-2-Clause AND Ruby
  • Latest release: 0.5.1-r0 (published 11 months ago)
  • Last Synced: 2026-02-03T10:00:51.213Z (29 days ago)
  • Versions: 1
  • Dependent Packages: 0
  • Dependent Repositories: 0
  • Rankings:
alpine-v3.23: ruby-net-smtp

Simple Mail Transfer Protocol client library for Ruby

  • Homepage: https://github.com/ruby/net-smtp
  • Licenses: BSD-2-Clause AND Ruby
  • Latest release: 0.5.1-r0 (published 11 months ago)
  • Last Synced: 2026-02-03T10:00:46.745Z (29 days ago)
  • Versions: 1
  • Dependent Packages: 0
  • Dependent Repositories: 0
  • Rankings:

Dependencies

Gemfile rubygems
  • bundler >= 0 development
  • rake >= 0 development
  • test-unit >= 0 development
net-smtp.gemspec rubygems
  • net-protocol >= 0
.github/workflows/test.yml actions
  • actions/checkout v3 composite
  • ruby/setup-ruby v1 composite

Score: 30.80117711884756