diff --git a/Esp.cf b/Esp.cf
index 2a99fa3..7aa2372 100644
--- a/Esp.cf
+++ b/Esp.cf
@@ -93,4 +93,11 @@ header		MAILCHIMP		eval:esp_mailchimp_check()
 describe 	MAILCHIMP		Message from Mailchimp abused account
 score  		MAILCHIMP   5.0
 
+# -------- CONSTANTCONTACT --------
+constantcontact_feed /etc/mail/spamassassin/constantcontact_id.txt
+
+header		CONSTANTCONTACT		eval:esp_constantcontact_check()
+describe	CONSTANTCONTACT		Message from Constant Contact abused account
+score			CONSTANTCONTACT   5.0
+
 endif # Mail::SpamAssassin::Plugin::Esp
diff --git a/Esp.pm b/Esp.pm
index ee9405b..912a937 100644
--- a/Esp.pm
+++ b/Esp.pm
@@ -43,7 +43,7 @@ use Mail::SpamAssassin::PerMsgStatus;
 use vars qw(@ISA);
 our @ISA = qw(Mail::SpamAssassin::Plugin);
 
-my $VERSION = 1.2.1;
+my $VERSION = 1.3.0;
 
 sub dbg { Mail::SpamAssassin::Plugin::dbg ("Esp: @_"); }
 
@@ -63,6 +63,7 @@ sub new {
   $self->register_eval_rule('esp_mailup_check',  $Mail::SpamAssassin::Conf::TYPE_HEAD_EVALS);
   $self->register_eval_rule('esp_maildome_check',  $Mail::SpamAssassin::Conf::TYPE_HEAD_EVALS);
   $self->register_eval_rule('esp_mailchimp_check',  $Mail::SpamAssassin::Conf::TYPE_HEAD_EVALS);
+  $self->register_eval_rule('esp_constantcontact_check',  $Mail::SpamAssassin::Conf::TYPE_HEAD_EVALS);
 
   return $self;
 }
@@ -104,6 +105,9 @@ Usage:
   esp_sendgrid_check_domain()
     Checks for Sendgrid domains abused accounts
 
+  esp_constantcontact_check()
+    Checks for Constant Contact id abused accounts
+
 =head1 ADMINISTRATOR SETTINGS
 
 =over 4
@@ -142,6 +146,11 @@ Files can be separated by a comma.
 A list of files with abused Mailchimp accounts.
 Files can be separated by a comma.
 
+=item constantcontact_feed [...]
+
+A list of files with abused Constant Contact accounts.
+Files can be separated by a comma.
+
 =back
 
 =head1 TEMPLATE TAGS
@@ -182,6 +191,9 @@ MAILDOMEID
 =item *
 MAILCHIMPID
 
+=item *
+CONSTANTCONTACTID
+
 =back
 
 =cut
@@ -226,6 +238,12 @@ sub set_config {
     type => $Mail::SpamAssassin::Conf::CONF_TYPE_STRING,
     }
   );
+  push(@cmds, {
+    setting => 'constantcontact_feed',
+    is_admin => 1,
+    type => $Mail::SpamAssassin::Conf::CONF_TYPE_STRING,
+    }
+  );
   $conf->{parser}->register_commands(\@cmds);
 }
 
@@ -237,6 +255,7 @@ sub finish_parsing_end {
   $self->_read_configfile('mailup_feed', 'MAILUP');
   $self->_read_configfile('maildome_feed', 'MAILDOME');
   $self->_read_configfile('mailchimp_feed', 'MAILCHIMP');
+  $self->_read_configfile('constantcontact_feed', 'CONSTANTCONTACT');
 }
 
 sub _read_configfile {
@@ -458,5 +477,38 @@ sub esp_mailchimp_check {
     }
   }
 
+}
+
+sub esp_constantcontact_check {
+  my ($self, $pms) = @_;
+  my $contact_id;
+
+  my $rulename = $pms->get_current_eval_rule_name();
+
+  # return if X-Mailer is not what we want
+  my $xmailer = $pms->get("X-Mailer", undef);
+
+  if((not defined $xmailer) or ($xmailer !~ /Roving\sConstant\sContact/)) {
+    return;
+  }
+
+  my $envfrom = $pms->get("EnvelopeFrom:addr", undef);
+  return if not defined $envfrom;
+  return if $envfrom !~ /\@in\.constantcontact\.com/;
+
+  $contact_id = $pms->get("X-Roving-Id", undef);
+  return if not defined $contact_id;
+
+  chomp($contact_id);
+  if(defined $contact_id) {
+    if ( exists $self->{ESP}->{CONSTANTCONTACT}->{$contact_id} ) {
+      $pms->set_tag('CONSTANTCONTACTID', $contact_id);
+      dbg("HIT! $contact_id customer found in Constant Contact feed");
+      $pms->test_log("Constant Contact id: $contact_id");
+      $pms->got_hit($rulename, "", ruletype => 'eval');
+      return 1;
+    }
+  }
+
 }
 1;
diff --git a/man/man3p/Mail::SpamAssassin::Plugin::Esp.3p b/man/man3p/Mail::SpamAssassin::Plugin::Esp.3p
index 8872212..d3e6bb4 100644
--- a/man/man3p/Mail::SpamAssassin::Plugin::Esp.3p
+++ b/man/man3p/Mail::SpamAssassin::Plugin::Esp.3p
@@ -1,4 +1,4 @@
-.\" Automatically generated by Pod::Man 4.14 (Pod::Simple 3.40)
+.\" Automatically generated by Pod::Man 4.14 (Pod::Simple 3.42)
 .\"
 .\" Standard preamble:
 .\" ========================================================================
@@ -133,7 +133,7 @@
 .\" ========================================================================
 .\"
 .IX Title "Esp 3"
-.TH Esp 3 "2021-02-11" "perl v5.32.1" "User Contributed Perl Documentation"
+.TH Esp 3 "2021-03-16" "perl v5.32.1" "User Contributed Perl Documentation"
 .\" For nroff, turn off justification.  Always turn off hyphenation; it makes
 .\" way too many mistakes in technical documents.
 .if n .ad l
@@ -187,6 +187,9 @@ Usage:
 \&
 \&  esp_sendgrid_check_domain()
 \&    Checks for Sendgrid domains abused accounts
+\&
+\&  esp_constantcontact_check()
+\&    Checks for Constant Contact id abused accounts
 .Ve
 .SH "ADMINISTRATOR SETTINGS"
 .IX Header "ADMINISTRATOR SETTINGS"
@@ -218,6 +221,10 @@ Files can be separated by a comma.
 .IX Item "mailchimp_feed [...]"
 A list of files with abused Mailchimp accounts.
 Files can be separated by a comma.
+.IP "constantcontact_feed [...]" 4
+.IX Item "constantcontact_feed [...]"
+A list of files with abused Constant Contact accounts.
+Files can be separated by a comma.
 .SH "TEMPLATE TAGS"
 .IX Header "TEMPLATE TAGS"
 .RS 4
@@ -247,3 +254,5 @@ Tags that the plugin could set are:
 \&\s-1MAILDOMEID\s0
 .IP "\(bu" 4
 \&\s-1MAILCHIMPID\s0
+.IP "\(bu" 4
+\&\s-1CONSTANTCONTACTID\s0