remove `existing/*`

These e-mails are mostly trivial in `swaks`, and we do not need extra
files here.

test/files/emails/existing/added.txt

@@ -1,5 +0,0 @@
-From: Docker Mail Server <dockermailserver@external.tld>
-To: Existing Local User <added@localhost.localdomain>
-Date: Sat, 22 May 2010 07:43:25 -0400
-Subject: Test Message existing-added.txt
-This is a test mail.

test/files/emails/existing/alias-external.txt

@@ -1,5 +0,0 @@
-From: Docker Mail Server <dockermailserver@external.tld>
-To: Existing Local User <alias1@localhost.localdomain>
-Date: Sat, 22 May 2010 07:43:25 -0400
-Subject: Test Message existing-alias-external.txt
-This is a test mail.

test/files/emails/existing/alias-local.txt

@@ -1,5 +0,0 @@
-From: Docker Mail Server <dockermailserver@external.tld>
-To: Existing Local Alias <alias2@localhost.localdomain>
-Date: Sat, 22 May 2010 07:43:25 -0400
-Subject: Test Message existing-alias-local.txt
-This is a test mail.

test/files/emails/existing/alias-recipient-delimiter.txt

@@ -1,5 +0,0 @@
-From: Docker Mail Server <dockermailserver@external.tld>
-To: Existing Local Alias With Delimiter <alias1+test@localhost.localdomain>
-Date: Sat, 22 May 2010 07:43:25 -0400
-Subject: Test Message existing-alias-recipient-delimiter.txt
-This is a test mail.

test/files/emails/existing/catchall-local.txt

@@ -1,5 +0,0 @@
-From: Docker Mail Server <dockermailserver@external.tld>
-To: Existing Local User <wildcard@localdomain2.com>
-Date: Sat, 22 May 2010 07:43:25 -0400
-Subject: Test Message existing-catchall-local.txt
-This is a test mail.

test/files/emails/existing/regexp-alias-external.txt

@@ -1,5 +0,0 @@
-From: Docker Mail Server <dockermailserver@external.tld>
-To: Existing Local User <bounce-always@localhost.localdomain>
-Date: Sat, 22 May 2010 07:43:25 -0400
-Subject: Test Message existing-regexp-alias-external.txt
-This is a test mail.

test/files/emails/existing/regexp-alias-local.txt

@@ -1,5 +0,0 @@
-From: Docker Mail Server <dockermailserver@external.tld>
-To: Existing Local User <test123@localhost.localdomain>
-Date: Sat, 22 May 2010 07:43:25 -0400
-Subject: Test Message existing-regexp-alias-local.txt
-This is a test mail.

test/files/emails/existing/user-and-cc-local-alias.txt

@@ -1,6 +0,0 @@
-From: Docker Mail Server <dockermailserver@external.tld>
-To: Existing Local User <user1@localhost.localdomain>
-Cc: Existing Local Alias <alias2@localhost.localdomain>
-Date: Sat, 22 May 2010 07:43:25 -0400
-Subject: Test Message existing-user-and-cc-local-alias.txt
-This is a test mail.

test/files/emails/existing/user1.txt

@@ -1,5 +0,0 @@
-From: Docker Mail Server <dockermailserver@external.tld>
-To: Existing Local User <user1@localhost.localdomain>
-Date: Sat, 22 May 2010 07:43:25 -0400
-Subject: Test Message existing-user1.txt
-This is a test mail.

test/files/emails/non-existing-user.txt

@@ -1,5 +0,0 @@
-From: Docker Mail Server <dockermailserver@external.tld>
-To: Existing Local User <user1@localhost.localdomain>
-Date: Sat, 22 May 2010 07:43:25 -0400
-Subject: Test Message non-existing-user.txt
-This is a test mail.

test/tests/parallel/set1/dovecot/mailbox_format_dbox.bats

@@ -26,7 +26,7 @@ function teardown() { _default_teardown ; }
   _common_container_setup 'CUSTOM_SETUP_ARGUMENTS'
   _wait_for_smtp_port_in_container
 
-  _send_email --data 'existing/user1.txt'
+  _send_email
   _wait_for_empty_mail_queue_in_container
 
   # Mail received should be stored as `u.1` (one file per message)
@@ -47,7 +47,7 @@ function teardown() { _default_teardown ; }
   _common_container_setup 'CUSTOM_SETUP_ARGUMENTS'
   _wait_for_smtp_port_in_container
 
-  _send_email --data 'existing/user1.txt'
+  _send_email
   _wait_for_empty_mail_queue_in_container
 
   # Mail received should be stored in `m.1` (1 or more messages)

test/tests/parallel/set1/dovecot/special_use_folders.bats

@@ -14,7 +14,7 @@ function setup_file() {
 function teardown_file() { _default_teardown ; }
 
 @test 'normal delivery works' {
-  _send_email --data 'existing/user1.txt'
+  _send_email
   _count_files_in_directory_in_container /var/mail/localhost.localdomain/user1/new 1
 }
 

test/tests/parallel/set1/spam_virus/disabled_clamav_spamassassin.bats

@@ -18,7 +18,7 @@ function setup_file() {
   _common_container_setup 'CUSTOM_SETUP_ARGUMENTS'
   _wait_for_smtp_port_in_container
 
-  _send_email --data 'existing/user1.txt'
+  _send_email
   _wait_for_empty_mail_queue_in_container
 }
 

test/tests/parallel/set3/container_configuration/hostname.bats

@@ -207,7 +207,7 @@ function _should_have_correct_mail_headers() {
   # (eg: OVERRIDE_HOSTNAME or `--hostname mail --domainname example.test`)
   local EXPECTED_HOSTNAME=${3:-${EXPECTED_FQDN}}
 
-  _send_email --from 'user@external.tld' --data 'existing/user1.txt'
+  _send_email --from 'user@external.tld'
   _wait_for_empty_mail_queue_in_container
   _count_files_in_directory_in_container '/var/mail/localhost.localdomain/user1/new/' '1'
 

test/tests/parallel/set3/mta/lmtp_ip.bats

@@ -38,7 +38,7 @@ function teardown_file() { _default_teardown ; }
 
 @test "delivers mail to existing account" {
   _wait_for_smtp_port_in_container
-  _send_email --data 'existing/user1.txt' # send a test email
+  _send_email
 
   # Verify delivery was successful, log line should look similar to:
   # postfix/lmtp[1274]: 0EA424ABE7D9: to=<user1@localhost.localdomain>, relay=127.0.0.1[127.0.0.1]:24, delay=0.13, delays=0.07/0.01/0.01/0.05, dsn=2.0.0, status=sent (250 2.0.0 <user1@localhost.localdomain> ixPpB+Zvv2P7BAAAUi6ngw Saved)

test/tests/parallel/set3/mta/smtp_delivery.bats

@@ -66,29 +66,29 @@ function setup_file() {
   # _send_email --from 'virus@external.tld' --data 'amavis/virus.txt'
 
   # Required for 'delivers mail to existing alias':
-  _send_email --to alias1@localhost.localdomain --data 'existing/alias-external.txt'
+  _send_email --to alias1@localhost.localdomain --header "Subject: Test Message existing-alias-external"
   # Required for 'delivers mail to existing alias with recipient delimiter':
-  _send_email --to alias1~test@localhost.localdomain --data 'existing/alias-recipient-delimiter.txt'
+  _send_email --to alias1~test@localhost.localdomain --header 'Subject: Test Message existing-alias-recipient-delimiter'
   # Required for 'delivers mail to existing catchall':
-  _send_email --to wildcard@localdomain2.com --data 'existing/catchall-local.txt'
+  _send_email --to wildcard@localdomain2.com --header 'Subject: Test Message existing-catchall-local'
   # Required for 'delivers mail to regexp alias':
-  _send_email --to test123@localhost.localdomain --data 'existing/regexp-alias-local.txt'
+  _send_email --to test123@localhost.localdomain --header 'Subject: Test Message existing-regexp-alias-local'
 
   # Required for 'rejects mail to unknown user':
-  _send_email_unchecked --to nouser@localhost.localdomain --data 'non-existing-user.txt'
+  _send_email_unchecked --to nouser@localhost.localdomain
   assert_failure
   # Required for 'redirects mail to external aliases':
-  _send_email --to bounce-always@localhost.localdomain --data 'existing/regexp-alias-external.txt'
-  _send_email --to alias2@localhost.localdomain --data 'existing/alias-local.txt'
+  _send_email --to bounce-always@localhost.localdomain
+  _send_email --to alias2@localhost.localdomain
   # Required for 'rejects spam':
   _send_email --from 'spam@external.tld' --data 'amavis/spam.txt'
 
   # Required for 'delivers mail to existing account':
-  _send_email --data 'existing/user1.txt'
+  _send_email --header 'Subject: Test Message existing-user1'
   _send_email --to user2@otherdomain.tld
   _send_email --to user3@localhost.localdomain
-  _send_email --to added@localhost.localdomain --data 'existing/added.txt'
-  _send_email --to user1@localhost.localdomain --data 'existing/user-and-cc-local-alias.txt'
+  _send_email --to added@localhost.localdomain --header 'Subject: Test Message existing-added'
+  _send_email --to user1@localhost.localdomain --header 'Subject: Test Message existing-user-and-cc-local-alias'
   _send_email --data 'sieve/spam-folder.txt'
   _send_email --to user2@otherdomain.tld --data 'sieve/pipe.txt'
   _run_in_container_bash 'sendmail root < /tmp/docker-mailserver-test/emails/sendmail/root-email.txt'

test/tests/serial/vmail-id.bats

@@ -20,7 +20,7 @@ function setup_file() {
 function teardown_file() { _default_teardown ; }
 
 @test 'should successfully deliver mail' {
-  _send_email --data 'existing/user1.txt'
+  _send_email --header 'Subject: Test Message existing-user1'
   _wait_for_empty_mail_queue_in_container
 
   # Should be successfully sent (received) by Postfix:
@@ -31,7 +31,7 @@ function teardown_file() { _default_teardown ; }
 
   # Verify successful delivery via Dovecot to `/var/mail` account by searching for the subject:
   _repeat_in_container_until_success_or_timeout 20 "${CONTAINER_NAME}" grep -R \
-    'Subject: Test Message existing-user1.txt' \
+    'Subject: Test Message existing-user1' \
     '/var/mail/localhost.localdomain/user1/new/'
   assert_success
   _should_output_number_of_lines 1