diff --git a/tests/data/test1006 b/tests/data/test1006
index 004598ff13..a8da3f73bf 100644
--- a/tests/data/test1006
+++ b/tests/data/test1006
@@ -25,7 +25,7 @@ REPLY CWD 250-AAAAAAAAAAAAAAAAAAAAAAAAA\r\n250-AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
ftp
-FTP with excessively large number of server command response lines (boundary condition)
+FTP with large number of command response lines (boundary condition)
ftp://%HOSTIP:%FTPPORT/path/%TESTNUMBER
diff --git a/tests/data/test1114 b/tests/data/test1114
index e8a87ab11e..61f1137451 100644
--- a/tests/data/test1114
+++ b/tests/data/test1114
@@ -22,7 +22,7 @@ ftp
lib576
-FTP wildcard download - skip/parser_correctness/CURLOPT_FNMATCH_FUNCTION (DOS)
+FTP wildcard download - skip/correctness/FNMATCH_FUNCTION (DOS)
ftp://%HOSTIP:%FTPPORT/fully_simulated/DOS/*
diff --git a/tests/data/test1181 b/tests/data/test1181
index 8f744669ee..9cdf3fa464 100644
--- a/tests/data/test1181
+++ b/tests/data/test1181
@@ -28,7 +28,7 @@ http
proxy
-HTTP GET request with proxy and --proxy-header "Proxy-Connection: Keep-Alive"
+HTTP GET request with proxy and "Proxy-Connection: Keep-Alive"
--proxy http://%HOSTIP:%HTTPPORT --proxy-header "Proxy-Connection: Keep-Alive" http://%HOSTIP:%HTTPPORT/%TESTNUMBER
diff --git a/tests/data/test1248 b/tests/data/test1248
index b44d8c004f..515b873519 100644
--- a/tests/data/test1248
+++ b/tests/data/test1248
@@ -29,7 +29,7 @@ proxy
http
-Access a non-proxied host with using the combination of --proxy option and --noproxy option
+Non-proxied host plus --proxy option and --noproxy option
http://user:secret@%HOSTIP:%HTTPPORT/%TESTNUMBER --proxy http://dummy:%NOLISTENPORT/ --noproxy %HOSTIP --max-time 5
diff --git a/tests/data/test1249 b/tests/data/test1249
index 1133509b2a..83c79bff84 100644
--- a/tests/data/test1249
+++ b/tests/data/test1249
@@ -29,7 +29,7 @@ proxy
http
-Access a non-proxied host with using the combination of --proxy option and NO_PROXY env var
+Non-proxied plus --proxy option and NO_PROXY env var
NO_PROXY=%HOSTIP
diff --git a/tests/data/test1250 b/tests/data/test1250
index 6ac154d6d4..905810a451 100644
--- a/tests/data/test1250
+++ b/tests/data/test1250
@@ -27,7 +27,7 @@ foo
http
-Access a non-proxied host with using the combination of http_proxy env var and --noproxy option
+Non-proxied host plus http_proxy env var and --noproxy option
http_proxy=http://dummy:%PROXYPORT/
diff --git a/tests/data/test1251 b/tests/data/test1251
index aaba5bb7b3..3f1503575b 100644
--- a/tests/data/test1251
+++ b/tests/data/test1251
@@ -27,7 +27,7 @@ foo
http
-Access a non-proxied host with using the combination of http_proxy env var and NO_PROXY env var
+Non-proxied host plus http_proxy env var and NO_PROXY env var
http_proxy=http://dummy:%PROXYPORT/
diff --git a/tests/data/test1252 b/tests/data/test1252
index 0fea2b67a3..0da6012d57 100644
--- a/tests/data/test1252
+++ b/tests/data/test1252
@@ -30,7 +30,7 @@ proxy
http
-Under condition using --proxy, override NO_PROXY by --noproxy and access target URL directly
+--proxy, override NO_PROXY by --noproxy and access target URL directly
NO_PROXY=example.com
diff --git a/tests/data/test1253 b/tests/data/test1253
index a10732e4c3..f6c4153f86 100644
--- a/tests/data/test1253
+++ b/tests/data/test1253
@@ -27,7 +27,7 @@ foo
http
-Under condition using --proxy, override NO_PROXY by --noproxy and access target URL through proxy
+--proxy, override NO_PROXY by --noproxy and access target URL through proxy
NO_PROXY=example.com
diff --git a/tests/data/test1255 b/tests/data/test1255
index f23f4660c4..9316051b99 100644
--- a/tests/data/test1255
+++ b/tests/data/test1255
@@ -28,7 +28,7 @@ foo
http
-Under condition using http_proxy, override NO_PROXY by --noproxy and access target URL directly
+http_proxy, override NO_PROXY by --noproxy and access target URL directly
http_proxy=http://%HOSTIP:%HTTPPORT
diff --git a/tests/data/test1256 b/tests/data/test1256
index fcbb6053c9..b5dd610c0d 100644
--- a/tests/data/test1256
+++ b/tests/data/test1256
@@ -28,7 +28,7 @@ foo
http
-Under condition using http_proxy, override NO_PROXY by --noproxy and access target URL through proxy
+http_proxy, override NO_PROXY by --noproxy and target URL through proxy
http_proxy=http://%HOSTIP:%HTTPPORT
diff --git a/tests/data/test1257 b/tests/data/test1257
index daf411e838..47245e9dd0 100644
--- a/tests/data/test1257
+++ b/tests/data/test1257
@@ -28,7 +28,7 @@ foo
http
-Under condition using http_proxy, override NO_PROXY by --noproxy and access target URL through proxy
+http_proxy, override NO_PROXY by --noproxy and target URL through proxy
http_proxy=http://%HOSTIP:%HTTPPORT
diff --git a/tests/data/test1404 b/tests/data/test1404
index 2127441f15..58bff51e17 100644
--- a/tests/data/test1404
+++ b/tests/data/test1404
@@ -31,7 +31,7 @@ Mime
http
---libcurl for HTTP RFC1867-type formposting - -F with 3 files, one with explicit type & encoder
+--libcurl plus -F with 3 files, one with explicit type & encoder
SSL_CERT_FILE=
diff --git a/tests/data/test1527 b/tests/data/test1527
index bf377d8262..1f422362b3 100644
--- a/tests/data/test1527
+++ b/tests/data/test1527
@@ -47,7 +47,7 @@ http-proxy
lib%TESTNUMBER
-Check same headers are generated with CURLOPT_HEADEROPT == CURLHEADER_UNIFIED
+Same headers with CURLOPT_HEADEROPT == CURLHEADER_UNIFIED
http://the.old.moo.%TESTNUMBER:%HTTPPORT/%TESTNUMBER %HOSTIP:%PROXYPORT
diff --git a/tests/data/test1557 b/tests/data/test1557
index 031809f4e1..ae4ac42a2c 100644
--- a/tests/data/test1557
+++ b/tests/data/test1557
@@ -18,7 +18,7 @@ lib%TESTNUMBER
-Removing easy handle that's in the pending connections list doesn't leave behind a dangling entry
+Remove easy handle in pending connections doesn't leave dangling entry
nothing
diff --git a/tests/data/test1958 b/tests/data/test1958
index 3186436e7f..13bc78677d 100644
--- a/tests/data/test1958
+++ b/tests/data/test1958
@@ -44,7 +44,7 @@ CURL_FORCEHOST=1
-HTTP AWS_SIGV4 with X-Xxx-Content-Sha256 of arbitrary payload with whitespace
+HTTP AWS_SIGV4 with X-Xxx-Content-Sha256 with whitespace
lib%TESTNUMBER
diff --git a/tests/data/test1964 b/tests/data/test1964
index 9d4c669504..0cc8825fda 100644
--- a/tests/data/test1964
+++ b/tests/data/test1964
@@ -40,7 +40,7 @@ aws
-HTTP AWS_SIGV4 with one provider and auth cred via URL, but X-Xxx-Date header set manually
+HTTP AWS_SIGV4 with X-Xxx-Date header set manually
lib%TESTNUMBER
diff --git a/tests/data/test2003 b/tests/data/test2003
index 2475bbe327..e37fd4e04f 100644
--- a/tests/data/test2003
+++ b/tests/data/test2003
@@ -55,7 +55,7 @@ file
tftp
-HTTP GET followed by FTP RETR followed by FILE followed by TFTP RRQ then again in reverse order
+HTTP GET, FTP RETR, FILE, TFTP RRQ then again in rev order
http://%HOSTIP:%HTTPPORT/%TESTNUMBER0001 ftp://%HOSTIP:%FTPPORT/%TESTNUMBER0002 file://localhost%FILE_PWD/%LOGDIR/test%TESTNUMBER.txt tftp://%HOSTIP:%TFTPPORT//%TESTNUMBER0003 tftp://%HOSTIP:%TFTPPORT//%TESTNUMBER0003 file://localhost%FILE_PWD/%LOGDIR/test%TESTNUMBER.txt ftp://%HOSTIP:%FTPPORT/%TESTNUMBER0002 http://%HOSTIP:%HTTPPORT/%TESTNUMBER0001
diff --git a/tests/data/test2004 b/tests/data/test2004
index 744c61aac5..f9770c3fb3 100644
--- a/tests/data/test2004
+++ b/tests/data/test2004
@@ -27,7 +27,7 @@ tftp
sftp
-TFTP RRQ followed by SFTP retrieval followed by FILE followed by SCP retrieval then again in reverse order
+TFTP RRQ, SFTP, FILE, SCP retrieval then in rev order
--key %LOGDIR/server/curl_client_key --pubkey %LOGDIR/server/curl_client_key.pub -u %USER: tftp://%HOSTIP:%TFTPPORT//%TESTNUMBER sftp://%HOSTIP:%SSHPORT%SFTP_PWD/%LOGDIR/test%TESTNUMBER.txt file://localhost%FILE_PWD/%LOGDIR/test%TESTNUMBER.txt scp://%HOSTIP:%SSHPORT%SCP_PWD/%LOGDIR/test%TESTNUMBER.txt file://localhost%FILE_PWD/%LOGDIR/test%TESTNUMBER.txt sftp://%HOSTIP:%SSHPORT%SFTP_PWD/%LOGDIR/test%TESTNUMBER.txt tftp://%HOSTIP:%TFTPPORT//%TESTNUMBER --insecure
diff --git a/tests/data/test2050 b/tests/data/test2050
index 3363fe55f9..ed4713f9a5 100644
--- a/tests/data/test2050
+++ b/tests/data/test2050
@@ -47,7 +47,7 @@ http
http-proxy
-Connect to specific host via HTTP proxy (switch to tunnel mode automatically)
+--connect-to via HTTP proxy (tunnel mode automatically)
diff --git a/tests/data/test2052 b/tests/data/test2052
index a2a73e8ad3..18fc7c5ebf 100644
--- a/tests/data/test2052
+++ b/tests/data/test2052
@@ -28,7 +28,7 @@ OK
http
-Connect to specific host: Do not mix connections with and without a "connect to host"
+--connect-to: do not mix connections with and without a "connect to host"
diff --git a/tests/data/test2055 b/tests/data/test2055
index 66ddb084f1..4710970ffd 100644
--- a/tests/data/test2055
+++ b/tests/data/test2055
@@ -49,7 +49,7 @@ http-proxy
socks5
-Connect to specific host via SOCKS proxy and HTTP proxy (switch to tunnel mode automatically)
+--connect-to via SOCKS proxy and HTTP proxy (tunnel mode automatically)
proxy
diff --git a/tests/data/test2058 b/tests/data/test2058
index 773aab0587..a797f9648b 100644
--- a/tests/data/test2058
+++ b/tests/data/test2058
@@ -70,7 +70,7 @@ proxy
digest
-HTTP POST --digest with PUT, resumed upload, modified method and SHA-256
+HTTP Digest with PUT, resumed upload, modified method and SHA-256
http://%HOSTIP:%HTTPPORT/%TESTNUMBER -u auser:apasswd --digest -T %LOGDIR/%TESTNUMBER -x http://%HOSTIP:%HTTPPORT -C 2 -X GET
diff --git a/tests/data/test2059 b/tests/data/test2059
index 949d0cb960..79f7171393 100644
--- a/tests/data/test2059
+++ b/tests/data/test2059
@@ -70,7 +70,7 @@ proxy
digest
-HTTP POST --digest with PUT, resumed upload, modified method, SHA-256 and userhash=true
+HTTP Digest with PUT, resumed upload, modified method, SHA-256 and userhash
http://%HOSTIP:%HTTPPORT/%TESTNUMBER -u auser:apasswd --digest -T %LOGDIR/%TESTNUMBER -x http://%HOSTIP:%HTTPPORT -C 2 -X GET
diff --git a/tests/data/test2060 b/tests/data/test2060
index 860f40eb8f..4a754b1688 100644
--- a/tests/data/test2060
+++ b/tests/data/test2060
@@ -70,7 +70,7 @@ proxy
sha512-256
-HTTP POST --digest with PUT, resumed upload, modified method, SHA-512-256 and userhash=false
+HTTP Digest with PUT, resumed upload, SHA-512-256, userhash
http://%HOSTIP:%HTTPPORT/%TESTNUMBER -u auser:apasswd --digest -T %LOGDIR/%TESTNUMBER -x http://%HOSTIP:%HTTPPORT -C 2 -X GET
diff --git a/tests/data/test2065 b/tests/data/test2065
index 4f3a510744..5365cac3fd 100644
--- a/tests/data/test2065
+++ b/tests/data/test2065
@@ -57,7 +57,7 @@ crypto
sha512-256
-HTTP with RFC7616 Digest authorization with bad password, SHA-512-256 and userhash=false
+HTTP with RFC7616 Digest, bad password, SHA-512-256 and userhash
http://%HOSTIP:%HTTPPORT/%TESTNUMBER -u testuser:test2pass --digest
diff --git a/tests/data/test2066 b/tests/data/test2066
index 19de8ad642..8f5f7aa8a4 100644
--- a/tests/data/test2066
+++ b/tests/data/test2066
@@ -57,7 +57,7 @@ crypto
digest
-HTTP with RFC7616 Digest authorization with bad password, SHA-256 and userhash=true
+HTTP with RFC7616 Digest, bad password, SHA-256 and userhash
http://%HOSTIP:%HTTPPORT/%TESTNUMBER -u testuser:test2pass --digest
diff --git a/tests/data/test2068 b/tests/data/test2068
index 1a6d271349..867330e135 100644
--- a/tests/data/test2068
+++ b/tests/data/test2068
@@ -55,7 +55,7 @@ crypto
sha512-256
-HTTP POST --digest with SHA-512-256, userhash=false and user-specified Content-Length header
+HTTP POST Digest with SHA-512-256, userhash and set Content-Length
# This test is to ensure 'Content-Length: 0' is sent while negotiating auth
# even when there is a user-specified Content-Length header.
diff --git a/tests/data/test2069 b/tests/data/test2069
index 424ce44a1b..650726d17c 100644
--- a/tests/data/test2069
+++ b/tests/data/test2069
@@ -55,7 +55,7 @@ crypto
digest
-HTTP POST --digest with SHA-256, userhash=true and user-specified Content-Length header
+HTTP POST Digest with SHA-256, userhash and set Content-Length header
# This test is to ensure 'Content-Length: 0' is sent while negotiating auth
# even when there is a user-specified Content-Length header.
diff --git a/tests/data/test234 b/tests/data/test234
index 2c86c3437e..2902da1528 100644
--- a/tests/data/test234
+++ b/tests/data/test234
@@ -64,7 +64,7 @@ contents
http
-HTTP, proxy, site+proxy auth and Location: to new host using location-trusted
+HTTP, proxy, site+proxy auth and Location: to new host location-trusted
http://first.host.it.is/we/want/that/page/%TESTNUMBER -x %HOSTIP:%HTTPPORT --user iam:myself --proxy-user testing:this --location-trusted
diff --git a/tests/data/test3000 b/tests/data/test3000
index 92cdf06358..e46012d278 100644
--- a/tests/data/test3000
+++ b/tests/data/test3000
@@ -32,7 +32,7 @@ local-http
https test-localhost-san-first.pem
-HTTPS GET to localhost, first subject alt name matches, CN does not match
+HTTPS localhost, first subaltname matches, CN does not match
-4 --cacert %CERTDIR/certs/test-ca.crt https://localhost:%HTTPSPORT/%TESTNUMBER
diff --git a/tests/data/test3001 b/tests/data/test3001
index 8d0f690999..ce53eb9aa0 100644
--- a/tests/data/test3001
+++ b/tests/data/test3001
@@ -32,7 +32,7 @@ local-http
https test-localhost-san-last.pem
-HTTPS GET to localhost, last subject alt name matches, CN does not match
+HTTPS localhost, last subject alt name matches, CN does not match
-4 --cacert %CERTDIR/certs/test-ca.crt https://localhost:%HTTPSPORT/%TESTNUMBER
diff --git a/tests/data/test3002 b/tests/data/test3002
index a956913a2a..206bb7d4d9 100644
--- a/tests/data/test3002
+++ b/tests/data/test3002
@@ -17,7 +17,7 @@ SMTP
smtp
-SMTP with multiple and invalid (first) --mail-rcpt and --mail-rcpt-allowfails
+SMTP multiple and invalid (first) --mail-rcpt and --mail-rcpt-allowfails
From: different
diff --git a/tests/data/test3003 b/tests/data/test3003
index 28dd7f8084..dea4bd6517 100644
--- a/tests/data/test3003
+++ b/tests/data/test3003
@@ -17,7 +17,7 @@ SMTP
smtp
-SMTP with multiple and invalid (last) --mail-rcpt and --mail-rcpt-allowfails
+SMTP multiple and invalid (last) --mail-rcpt and --mail-rcpt-allowfails
From: different
diff --git a/tests/data/test3004 b/tests/data/test3004
index d46ba6ccc7..a995ddee54 100644
--- a/tests/data/test3004
+++ b/tests/data/test3004
@@ -17,7 +17,7 @@ SMTP
smtp
-SMTP with multiple and invalid (middle) --mail-rcpt and --mail-rcpt-allowfails
+SMTP multiple and invalid (middle) --mail-rcpt and --mail-rcpt-allowfails
From: different
diff --git a/tests/data/test3005 b/tests/data/test3005
index 2f829f446c..8fd3330622 100644
--- a/tests/data/test3005
+++ b/tests/data/test3005
@@ -17,7 +17,7 @@ SMTP
smtp
-SMTP with multiple and invalid (all but one) --mail-rcpt and --mail-rcpt-allowfails
+SMTP multiple invalid (all but one) --mail-rcpt and --mail-rcpt-allowfails
From: different
diff --git a/tests/data/test3023 b/tests/data/test3023
index 668c43adc6..b4210bf482 100644
--- a/tests/data/test3023
+++ b/tests/data/test3023
@@ -32,7 +32,7 @@ local-http
https test-localhost-san-first.pem
-HTTPS GET to localhost, first subject alt name matches, CN does not match (Schannel variant)
+HTTPS localhost, first subaltname matches, CN does not match (Schannel)
# This test is pointless if we are not using the Schannel backend
diff --git a/tests/data/test3024 b/tests/data/test3024
index 712e3218d3..7e4b5bb6f4 100644
--- a/tests/data/test3024
+++ b/tests/data/test3024
@@ -32,7 +32,7 @@ local-http
https test-localhost-san-last.pem
-HTTPS GET to localhost, last subject alt name matches, CN does not match (Schannel variant)
+HTTPS localhost, last subaltname matches, CN does not match (Schannel)
# This test is pointless if we are not using the Schannel backend
diff --git a/tests/data/test576 b/tests/data/test576
index e8f190156a..60fd765b53 100644
--- a/tests/data/test576
+++ b/tests/data/test576
@@ -22,7 +22,7 @@ ftp
lib%TESTNUMBER
-FTP wildcard download - skip/parser_correctness/CURLOPT_FNMATCH_FUNCTION (Unix)
+FTP wildcard - skip/parser_correctness/CURLOPT_FNMATCH_FUNCTION (Unix)
ftp://%HOSTIP:%FTPPORT/fully_simulated/UNIX/*
diff --git a/tests/data/test741 b/tests/data/test741
index b0517c14a7..1167417e43 100644
--- a/tests/data/test741
+++ b/tests/data/test741
@@ -23,7 +23,7 @@ http
HOME=%PWD/%LOGDIR
-IPFS with malformed gateway URL from multiline gateway file, first line no url
+IPFS malformed gw URL from multiline gateway file, first line no url
ipfs://bafybeidecnvkrygux6uoukouzps5ofkeevoqland7kopseiod6pzqvjg7u
diff --git a/tests/data/test849 b/tests/data/test849
index d0dcb45e4d..e092da3904 100644
--- a/tests/data/test849
+++ b/tests/data/test849
@@ -25,7 +25,7 @@ REPLY dXJzZWwAa3VydAB4aXBqM3BsbXE= A002 NO Not authorized
imap
-IMAP plain authentication with alternative authorization identity (Not authorized)
+IMAP plain auth with alt authorization identity (Not authorized)
'imap://%HOSTIP:%IMAPPORT/%TESTNUMBER/;MAILINDEX=1' -u kurt:xipj3plmq --sasl-authzid ursel
diff --git a/tests/data/test893 b/tests/data/test893
index dacd1bc864..021b4d5257 100644
--- a/tests/data/test893
+++ b/tests/data/test893
@@ -27,7 +27,7 @@ REPLY dXJzZWwAa3VydAB4aXBqM3BsbXE= -ERR Not authorized
pop3
-POP3 plain authentication with alternative authorization identity (Not authorized)
+POP3 plain auth with alt authorization identity (Not authorized)
pop3://%HOSTIP:%POP3PORT/%TESTNUMBER -u kurt:xipj3plmq --sasl-authzid ursel
diff --git a/tests/data/test954 b/tests/data/test954
index 0bb6488dd6..b8376669ce 100644
--- a/tests/data/test954
+++ b/tests/data/test954
@@ -26,7 +26,7 @@ REPLY dXJzZWwAa3VydAB4aXBqM3BsbXE= 501 Not authorized
smtp
-SMTP plain authentication with alternative authorization identity (Not authorized)
+SMTP plain auth with alt authorization identity (Not authorized)
mail body
diff --git a/tests/data/test957 b/tests/data/test957
index fbe07a0fd7..9548627b98 100644
--- a/tests/data/test957
+++ b/tests/data/test957
@@ -26,7 +26,7 @@ LC_ALL=en_US.UTF-8
LC_CTYPE=en_US.UTF-8
-SMTP VRFY without SMTPUTF8 support - UTF-8 based recipient (local part only)
+SMTP VRFY without SMTPUTF8 support - UTF-8 recipient (local part only)
smtp://%HOSTIP:%SMTPPORT/%TESTNUMBER --mail-rcpt Anv%hex[%c3%a4]hex%ndaren
diff --git a/tests/data/test958 b/tests/data/test958
index 1687ebbf05..f1006a0a66 100644
--- a/tests/data/test958
+++ b/tests/data/test958
@@ -26,7 +26,7 @@ LC_ALL=en_US.UTF-8
LC_CTYPE=en_US.UTF-8
-SMTP external VRFY without SMTPUTF8 support - UTF-8 based recipient (local part only)
+SMTP external VRFY without SMTPUTF8 - UTF-8 recipient (local part only)
smtp://%HOSTIP:%SMTPPORT/%TESTNUMBER --mail-rcpt Anv%hex[%c3%a4]hex%ndaren@example.com
diff --git a/tests/data/test961 b/tests/data/test961
index f6dd8ce75a..2068d8fc84 100644
--- a/tests/data/test961
+++ b/tests/data/test961
@@ -27,7 +27,7 @@ LC_ALL=en_US.UTF-8
LC_CTYPE=en_US.UTF-8
-SMTP external VRFY without SMTPUTF8 support - UTF-8 based recipient (host part only)
+SMTP external VRFY without SMTPUTF8 - UTF-8 recipient (host part only)
smtp://%HOSTIP:%SMTPPORT/%TESTNUMBER --mail-rcpt user@%hex[%c3%a5%c3%a4%c3%b6]hex%.se
diff --git a/tests/data/test963 b/tests/data/test963
index 06dbf3201a..5d3bae7b56 100644
--- a/tests/data/test963
+++ b/tests/data/test963
@@ -27,7 +27,7 @@ LC_ALL=en_US.UTF-8
LC_CTYPE=en_US.UTF-8
-SMTP without SMTPUTF8 support (IDN Enabled) - UTF-8 based recipient (host part only)
+SMTP without SMTPUTF8 support (IDN) - UTF-8 recipient (host part only)
From: different
diff --git a/tests/data/test964 b/tests/data/test964
index 8963856485..12c312eccd 100644
--- a/tests/data/test964
+++ b/tests/data/test964
@@ -28,7 +28,7 @@ LC_ALL=en_US.UTF-8
LC_CTYPE=en_US.UTF-8
-SMTP external VRFY without SMTPUTF8 support (IDN Enabled) - UTF-8 based recipient (host part only)
+SMTP external VRFY without SMTPUTF8 (IDN) - UTF-8 recipient (host part)
smtp://%HOSTIP:%SMTPPORT/%TESTNUMBER --mail-rcpt user@%hex[%c3%a5%c3%a4%c3%b6]hex%.se