2 Runtime Dependencies

Gem Required version
mime-types 1.25.1 ~> 1.16
treetop 1.4.15 ~> 1.4.8

4 Development Dependencies

Gem Required version
bundler 4.0.18 >= 1.0.3
rake 13.4.2 > 0.8.7
rdoc 8.0.0 >= 0
rspec 2.12.0 ~> 2.12.0

Reverse Dependencies

Gem Version
actionmailer +759 Million Downloads 8.1.3.1

Jul 29, 2026

actionmailbox +432 Million Downloads 8.1.3.1

Jul 29, 2026

letter_opener +117 Million Downloads 1.10.0

Mar 30, 2024

savon +99.7 Million Downloads 2.17.4

Jul 03, 2026

openid_connect +76.2 Million Downloads 2.5.0

Jun 03, 2026

email_spec +73.2 Million Downloads 2.3.1

Mar 21, 2026

validate_email +53.8 Million Downloads 0.1.6

Jul 12, 2012

valid_email +46.5 Million Downloads 0.2.1

Mar 16, 2024

gitlab-mail_room +35.4 Million Downloads 1.1.0

Jun 18, 2026

roda +20.9 Million Downloads 3.106.0

Jul 13, 2026

See all reverse dependencies