diff --git a/mail/rubygem-mail/Makefile b/mail/rubygem-mail/Makefile
index 6b12707478bd..0c4695ae0124 100644
--- a/mail/rubygem-mail/Makefile
+++ b/mail/rubygem-mail/Makefile
@@ -1,23 +1,25 @@
 # Created by: Eric Freeman <freebsdports@chillibear.com>
 
 PORTNAME=	mail
 PORTVERSION=	2.7.1
+PORTREVISION=	1
 PORTEPOCH=	2
 CATEGORIES=	mail rubygems
 MASTER_SITES=	RG
 
 MAINTAINER=	ruby@FreeBSD.org
 COMMENT=	Ruby email handler
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/MIT-LICENSE
 
-RUN_DEPENDS=	rubygem-mini_mime>=0.1.1:mail/rubygem-mini_mime
+RUN_DEPENDS=	rubygem-mini_mime>=0.1.1:mail/rubygem-mini_mime \
+		rubygem-net-smtp>0:mail/rubygem-net-smtp
 
 USES=		cpe gem
 CPE_VENDOR=	${PORTNAME}_project
 USE_RUBY=	yes
 
 NO_ARCH=	yes
 
 .include <bsd.port.mk>
diff --git a/mail/rubygem-mail/files/patch-mail.gemspec b/mail/rubygem-mail/files/patch-mail.gemspec
new file mode 100644
index 000000000000..5b1682def046
--- /dev/null
+++ b/mail/rubygem-mail/files/patch-mail.gemspec
@@ -0,0 +1,18 @@
+--- mail.gemspec.orig	2021-11-10 18:38:59 UTC
++++ mail.gemspec
+@@ -24,6 +24,7 @@ Gem::Specification.new do |s|
+   end
+ 
+   if s.respond_to? :add_runtime_dependency then
++    s.add_runtime_dependency(%q<net-smtp>.freeze, [">= 0"])
+     s.add_runtime_dependency(%q<mini_mime>.freeze, [">= 0.1.1"])
+     s.add_development_dependency(%q<bundler>.freeze, [">= 1.0.3"])
+     s.add_development_dependency(%q<rake>.freeze, ["> 0.8.7"])
+@@ -31,6 +32,7 @@ Gem::Specification.new do |s|
+     s.add_development_dependency(%q<rdoc>.freeze, [">= 0"])
+     s.add_development_dependency(%q<rufo>.freeze, [">= 0"])
+   else
++    s.add_dependency(%q<net-smtp>.freeze, [">= 0"])
+     s.add_dependency(%q<mini_mime>.freeze, [">= 0.1.1"])
+     s.add_dependency(%q<bundler>.freeze, [">= 1.0.3"])
+     s.add_dependency(%q<rake>.freeze, ["> 0.8.7"])