diff --git a/azure/apt.yml b/azure/apt.yml
index bd3ba3308e01b..71f58ce8da2ad 100644
--- a/azure/apt.yml
+++ b/azure/apt.yml
@@ -42,5 +42,6 @@ steps:
                        snmp-mibs-downloader \
                        unixodbc-dev \
                        llvm \
+                       libc-client-dev libkrb5-dev dovecot-core dovecot-pop3d dovecot-imapd \
                        ${{ parameters.packages }}
     displayName: 'APT'
diff --git a/azure/configure.yml b/azure/configure.yml
index dc7f754eae425..0bfbf6d92e0ec 100644
--- a/azure/configure.yml
+++ b/azure/configure.yml
@@ -58,6 +58,9 @@ steps:
         --enable-dba \
         --with-snmp \
         --with-unixODBC \
+        --with-imap \
+        --with-kerberos \
+        --with-imap-ssl \
         --enable-werror \
         --with-config-file-path=/etc \
         --with-config-file-scan-dir=/etc/php.d
diff --git a/azure/setup.yml b/azure/setup.yml
index 825ca4d5f6c01..e0b4dc79da991 100644
--- a/azure/setup.yml
+++ b/azure/setup.yml
@@ -16,4 +16,12 @@ steps:
       sudo cp ext/snmp/tests/bigtest /etc/snmp
       sudo service snmpd restart
     displayName: 'Configure snmpd'
+  - script: |
+      set -e
+      sudo groupadd -g 5000 vmail
+      sudo useradd -m -d /var/vmail -s /bin/false -u 5000 -g vmail vmail
+      sudo cp ext/imap/tests/dovecot.conf /etc/dovecot/dovecot.conf
+      sudo cp ext/imap/tests/dovecotpass /etc/dovecot/dovecotpass
+      sudo service dovecot restart
+    displayName: 'Configure IMAP'
 
diff --git a/ext/imap/tests/CONFLICTS b/ext/imap/tests/CONFLICTS
new file mode 100644
index 0000000000000..c301c0ffaca1d
--- /dev/null
+++ b/ext/imap/tests/CONFLICTS
@@ -0,0 +1 @@
+imap
diff --git a/ext/imap/tests/bug75774.phpt b/ext/imap/tests/bug75774.phpt
index 42f5a842c3469..08883ad8f0ab5 100644
--- a/ext/imap/tests/bug75774.phpt
+++ b/ext/imap/tests/bug75774.phpt
@@ -8,12 +8,12 @@ extension_loaded('imap') or die('skip imap extension not available in this build
 <?php
 
 $fn = __DIR__ . DIRECTORY_SEPARATOR . "foo75774";
-$var1=fopen($fn, "w");
+$var1 = fopen($fn, "w");
 
 try {
     imap_append($var1, "", "", "", "");
-} catch (Throwable $e) {
-    echo "\nException: " . $e->getMessage() . "\n";
+} catch (\TypeError $e) {
+    echo $e->getMessage() . "\n";
 }
 
 fclose($var1);
@@ -22,5 +22,4 @@ unlink($fn);
 ?>
 --EXPECTF--
 Warning: imap_append(): Internal date not correctly formatted in %s on line %d
-
-Exception: imap_append(): Supplied resource is not a valid imap resource
+imap_append(): supplied resource is not a valid imap resource
diff --git a/ext/imap/tests/dovecot.conf b/ext/imap/tests/dovecot.conf
new file mode 100644
index 0000000000000..c465ba3ce9121
--- /dev/null
+++ b/ext/imap/tests/dovecot.conf
@@ -0,0 +1,33 @@
+# 2.2.33.2 (d6601f4ec): /etc/dovecot/dovecot.conf
+# Pigeonhole version 0.4.21 (92477967)
+listen = *, ::
+
+# To make authentication work
+ssl = no
+disable_plaintext_auth = no
+
+auth_mechanisms = plain cram-md5
+auth_username_format = %u
+auth_debug = yes
+auth_verbose = yes
+#log
+log_path = /var/log/dovecot.log
+# If not set, use the value from log_path
+info_log_path = /var/log/dovecot-info.log
+# If not set, use the value from info_log_path
+debug_log_path = /var/log/dovecot-debug.log
+## Mailbox locations and namespaces
+mail_location = maildir:/var/vmail/dovecot/mail/%d/%n/Maildir
+passdb {
+  args = scheme=cram-md5 /etc/dovecot/dovecotpass
+  driver = passwd-file
+}
+protocols = imap
+service auth {
+  user = root
+}
+userdb {
+  args = /etc/dovecot/dovecotpass
+  driver = passwd-file
+  override_fields = home=/var/vmail/dovecot/mail/%d/%n
+}
diff --git a/ext/imap/tests/dovecotpass b/ext/imap/tests/dovecotpass
new file mode 100644
index 0000000000000..86a069fc4f699
--- /dev/null
+++ b/ext/imap/tests/dovecotpass
@@ -0,0 +1 @@
+webmaster@something.com:{CRAM-MD5}be5f3177e9c7c06403272f25d983ba630df4ef40476b353bb3087a8401713451:vmail:vmail
diff --git a/ext/imap/tests/imap_body.phpt b/ext/imap/tests/imap_body.phpt
index a4e8069d040d9..4d4133c343fc7 100644
--- a/ext/imap/tests/imap_body.phpt
+++ b/ext/imap/tests/imap_body.phpt
@@ -9,16 +9,11 @@ require_once(__DIR__.'/skipif.inc');
 ?>
 --FILE--
 <?php
-echo "Checking with no parameters\n";
-imap_body();
 
-echo  "Checking with incorrect parameter type\n";
-imap_body('');
-imap_body(false);
 require_once(__DIR__.'/imap_include.inc');
 $stream_id = imap_open($default_mailbox, $username, $password) or
     die("Cannot connect to mailbox $default_mailbox: " . imap_last_error());
-imap_body($stream_id);
+
 imap_body($stream_id,-1);
 imap_body($stream_id,1,-1);
 
@@ -29,17 +24,6 @@ imap_close($stream_id);
 
 ?>
 --EXPECTF--
-Checking with no parameters
-
-Warning: imap_body() expects at least 2 parameters, 0 given in %s on line %d
-Checking with incorrect parameter type
-
-Warning: imap_body() expects at least 2 parameters, 1 given in %s on line %d
-
-Warning: imap_body() expects at least 2 parameters, 1 given in %s on line %d
-
-Warning: imap_body() expects at least 2 parameters, 1 given in %s on line %d
-
 Warning: imap_body(): Bad message number in %s on line %d
 
 Warning: imap_body(): Invalid value for the options parameter in %s on line %d
diff --git a/ext/imap/tests/imap_fetch_overview_variation3.phpt b/ext/imap/tests/imap_fetch_overview_variation3.phpt
index 13b5591dc5b0e..419de4c95152f 100644
--- a/ext/imap/tests/imap_fetch_overview_variation3.phpt
+++ b/ext/imap/tests/imap_fetch_overview_variation3.phpt
@@ -58,7 +58,7 @@ imap_fetch_overview() returns an object
 Testing with option value:bool(true)
 imap_fetch_overview() returns an object
 
-Testing with option value:float(1)
+Testing with option value:float(1.000000000000001)
 imap_fetch_overview() returns an object
 
 Testing with option value:float(1)
diff --git a/ext/imap/tests/imap_fetchbody_variation6.phpt b/ext/imap/tests/imap_fetchbody_variation6.phpt
index 20ac49edc8a38..75516f8381454 100644
--- a/ext/imap/tests/imap_fetchbody_variation6.phpt
+++ b/ext/imap/tests/imap_fetchbody_variation6.phpt
@@ -19,9 +19,7 @@ require_once(__DIR__.'/imap_include.inc');
 $stream_id = setup_test_mailbox('', 3); // set up temp mailbox with  simple msgs
 $section = 1;
 
-$sequences = array (0,     4, // out of range
-                    '1,3', '1:3', // message sequences instead of numbers
-                   );
+$sequences = [0, /* out of range */ 4, 1];
 
 foreach($sequences as $msg_no) {
     echo "\n-- \$msg_no is $msg_no --\n";
@@ -52,12 +50,6 @@ Warning: imap_fetchbody(): Bad message number in %s on line %d
 bool(false)
 
 
--- $msg_no is 1,3 --
-
-Notice: A non well formed numeric value encountered in %s on line %d
-string(%d) "1: this is a test message, please ignore%a"
-
--- $msg_no is 1:3 --
-
-Notice: A non well formed numeric value encountered in %s on line %d
-string(%d) "1: this is a test message, please ignore%a"
+-- $msg_no is 1 --
+string(42) "1: this is a test message, please ignore
+"
diff --git a/ext/imap/tests/imap_fetchheader_variation5.phpt b/ext/imap/tests/imap_fetchheader_variation5.phpt
index 7ff8ca697e777..2283861df8e8a 100644
--- a/ext/imap/tests/imap_fetchheader_variation5.phpt
+++ b/ext/imap/tests/imap_fetchheader_variation5.phpt
@@ -17,9 +17,7 @@ require_once(__DIR__.'/imap_include.inc');
 
 $stream_id = setup_test_mailbox('', 3, $mailbox, 'notSimple'); // set up temp mailbox with 3 msgs
 
-$sequences = array (0,     4, // out of range
-                    '1,3', '1:3', // message sequences instead of numbers
-                    );
+$sequences = [0, /* out of range */ 4, 1];
 
 foreach($sequences as $msg_no) {
     echo "\n-- \$msg_no is $msg_no --\n";
@@ -53,24 +51,11 @@ Warning: imap_fetchheader(): Bad message number in %s on line %d
 bool(false)
 
 
--- $msg_no is 1,3 --
-
-Notice: A non well formed numeric value encountered in %s on line %d
-string(%d) "From: foo@anywhere.com
-Subject: Test msg 1
-To: %s
-MIME-Version: 1.0
-Content-Type: MULTIPART/mixed; BOUNDARY="%s"
-
-"
-
--- $msg_no is 1:3 --
-
-Notice: A non well formed numeric value encountered in %s on line %d
+-- $msg_no is 1 --
 string(%d) "From: foo@anywhere.com
 Subject: Test msg 1
-To: %s
+To: webmaster@something.com
 MIME-Version: 1.0
-Content-Type: MULTIPART/mixed; BOUNDARY="%s"
+Content-Type: MULTIPART/mixed; BOUNDARY="%s=:%d"
 
 "
diff --git a/ext/imap/tests/imap_fetchstructure_basic.phpt b/ext/imap/tests/imap_fetchstructure_basic.phpt
index 0ff266a390c83..572556e6e13d1 100644
--- a/ext/imap/tests/imap_fetchstructure_basic.phpt
+++ b/ext/imap/tests/imap_fetchstructure_basic.phpt
@@ -8,17 +8,10 @@ require_once(__DIR__.'/skipif.inc');
 ?>
 --FILE--
 <?php
-echo "Checking with no parameters\n";
-imap_fetchstructure();
-
-echo  "Checking with incorrect parameter type\n";
-imap_fetchstructure('');
-imap_fetchstructure(false);
 
 require_once(__DIR__.'/imap_include.inc');
 $stream_id = setup_test_mailbox('', 1);
 
-imap_fetchstructure($stream_id);
 imap_fetchstructure($stream_id,0);
 
 $z = imap_fetchstructure($stream_id,1);
@@ -44,18 +37,8 @@ imap_close($stream_id);
 require_once('clean.inc');
 ?>
 --EXPECTF--
-Checking with no parameters
-
-Warning: imap_fetchstructure() expects at least 2 parameters, 0 given in %s on line %d
-Checking with incorrect parameter type
-
-Warning: imap_fetchstructure() expects at least 2 parameters, 1 given in %s on line %d
-
-Warning: imap_fetchstructure() expects at least 2 parameters, 1 given in %s on line %d
 Create a temporary mailbox and add 1 msgs
-.. mailbox '{%s}%s' created
-
-Warning: imap_fetchstructure() expects at least 2 parameters, 1 given in %s on line %d
+.. mailbox '{127.0.0.1:143/norsh}INBOX.phpttest' created
 bool(true)
 bool(true)
 bool(true)
diff --git a/ext/imap/tests/imap_gc_error.phpt b/ext/imap/tests/imap_gc_error.phpt
index 2d825ce1fdf19..072af103930cb 100644
--- a/ext/imap/tests/imap_gc_error.phpt
+++ b/ext/imap/tests/imap_gc_error.phpt
@@ -9,12 +9,6 @@ require_once(__DIR__.'/skipif.inc');
 ?>
 --FILE--
 <?php
-echo "Checking with no parameters\n";
-imap_gc();
-
-echo  "Checking with incorrect parameter type\n";
-imap_gc('', false);
-imap_gc(false, false);
 
 require_once(__DIR__.'/imap_include.inc');
 $stream_id = imap_open($default_mailbox, $username, $password) or
@@ -23,13 +17,4 @@ imap_gc($stream_id, -1);
 
 ?>
 --EXPECTF--
-Checking with no parameters
-
-Warning: imap_gc() Expects exactly 2 parameters, 0 given in %s on line %d
-Checking with incorrect parameter type
-
-Warning: imap_gc(): Argument #1 must be of type resource, string given in %s on line %d
-
-Warning: imap_gc(): Argument #1 must be of type resource, bool given in %s on line %d
-
 Warning: imap_gc(): Invalid value for the flags parameter in %s on line %d
diff --git a/ext/imap/tests/imap_getsubscribed_basic.phpt b/ext/imap/tests/imap_getsubscribed_basic.phpt
index 8995eadd05289..bba82271c7ca3 100644
--- a/ext/imap/tests/imap_getsubscribed_basic.phpt
+++ b/ext/imap/tests/imap_getsubscribed_basic.phpt
@@ -8,19 +8,11 @@ require_once(__DIR__.'/skipif.inc');
 ?>
 --FILE--
 <?php
-echo "Checking with no parameters\n";
-imap_getsubscribed();
-
-echo  "Checking with incorrect parameter type\n";
-imap_getsubscribed('');
-imap_getsubscribed(false);
 
 require_once(__DIR__.'/imap_include.inc');
 $stream_id = imap_open($default_mailbox, $username, $password) or
     die("Cannot connect to mailbox $default_mailbox: " . imap_last_error());
 
-imap_getsubscribed($stream_id);
-imap_getsubscribed($stream_id,$default_mailbox);
 var_dump(imap_getsubscribed($stream_id,$default_mailbox,'ezDvfXvbvcxSerz'));
 
 
@@ -43,18 +35,6 @@ imap_close($stream_id);
 require_once('clean.inc');
 ?>
 --EXPECTF--
-Checking with no parameters
-
-Warning: imap_getsubscribed() expects exactly 3 parameters, 0 given in %s on line %d
-Checking with incorrect parameter type
-
-Warning: imap_getsubscribed() expects exactly 3 parameters, 1 given in %s on line %d
-
-Warning: imap_getsubscribed() expects exactly 3 parameters, 1 given in %s on line %d
-
-Warning: imap_getsubscribed() expects exactly 3 parameters, 1 given in %s on line %d
-
-Warning: imap_getsubscribed() expects exactly 3 parameters, 2 given in %s on line %d
 bool(false)
 Checking OK
 bool(true)
diff --git a/ext/imap/tests/imap_include.inc b/ext/imap/tests/imap_include.inc
index 7de634075a295..e57d6516979f2 100644
--- a/ext/imap/tests/imap_include.inc
+++ b/ext/imap/tests/imap_include.inc
@@ -1,6 +1,6 @@
 <?php
 // Change these to make tests run successfully
-$server   = '{127.0.0.1/norsh}';
+$server   = '{127.0.0.1:143/norsh}';
 $default_mailbox = $server . "INBOX";
 $domain = "something.com";
 $admin_user = "webmaster"; // a user with admin access
diff --git a/ext/imap/tests/imap_list_basic.phpt b/ext/imap/tests/imap_list_basic.phpt
index 77df74af2b2a9..addcf70e775ba 100644
--- a/ext/imap/tests/imap_list_basic.phpt
+++ b/ext/imap/tests/imap_list_basic.phpt
@@ -8,19 +8,11 @@ require_once(__DIR__.'/skipif.inc');
 ?>
 --FILE--
 <?php
-echo "Checking with no parameters\n";
-imap_list();
-
-echo  "Checking with incorrect parameter type\n";
-imap_list('');
-imap_list(false);
 
 require_once(__DIR__.'/imap_include.inc');
 $stream_id = imap_open($default_mailbox, $username, $password) or
     die("Cannot connect to mailbox $default_mailbox: " . imap_last_error());
 
-imap_list($stream_id);
-imap_list($stream_id,$default_mailbox);
 imap_list($stream_id,$default_mailbox,'ezerz');
 
 
@@ -31,17 +23,5 @@ var_dump($z[0]);
 imap_close($stream_id);
 ?>
 --EXPECTF--
-Checking with no parameters
-
-Warning: imap_list() expects exactly 3 parameters, 0 given in %s on line %d
-Checking with incorrect parameter type
-
-Warning: imap_list() expects exactly 3 parameters, 1 given in %s on line %d
-
-Warning: imap_list() expects exactly 3 parameters, 1 given in %s on line %d
-
-Warning: imap_list() expects exactly 3 parameters, 1 given in %s on line %d
-
-Warning: imap_list() expects exactly 3 parameters, 2 given in %s on line %d
 bool(true)
 string(%s) "{%s}%s"
diff --git a/ext/imap/tests/imap_lsub_basic.phpt b/ext/imap/tests/imap_lsub_basic.phpt
index 591a023ed8696..98875266d7406 100644
--- a/ext/imap/tests/imap_lsub_basic.phpt
+++ b/ext/imap/tests/imap_lsub_basic.phpt
@@ -8,19 +8,11 @@ require_once(__DIR__.'/skipif.inc');
 ?>
 --FILE--
 <?php
-echo "Checking with no parameters\n";
-imap_lsub();
-
-echo  "Checking with incorrect parameter type\n";
-imap_lsub('');
-imap_lsub(false);
 
 require_once(__DIR__.'/imap_include.inc');
 $stream_id = imap_open($default_mailbox, $username, $password) or
     die("Cannot connect to mailbox $default_mailbox: " . imap_last_error());
 
-imap_lsub($stream_id);
-imap_lsub($stream_id,$default_mailbox);
 var_dump(imap_lsub($stream_id,$default_mailbox,'ezDvfXvbvcxSerz'));
 
 
@@ -43,18 +35,6 @@ imap_close($stream_id);
 require_once('clean.inc');
 ?>
 --EXPECTF--
-Checking with no parameters
-
-Warning: imap_lsub() expects exactly 3 parameters, 0 given in %s on line %d
-Checking with incorrect parameter type
-
-Warning: imap_lsub() expects exactly 3 parameters, 1 given in %s on line %d
-
-Warning: imap_lsub() expects exactly 3 parameters, 1 given in %s on line %d
-
-Warning: imap_lsub() expects exactly 3 parameters, 1 given in %s on line %d
-
-Warning: imap_lsub() expects exactly 3 parameters, 2 given in %s on line %d
 bool(false)
 Checking OK
 bool(true)
diff --git a/ext/imap/tests/imap_open_error.phpt b/ext/imap/tests/imap_open_error.phpt
index b94c11d797afd..f9410519f2159 100644
--- a/ext/imap/tests/imap_open_error.phpt
+++ b/ext/imap/tests/imap_open_error.phpt
@@ -9,12 +9,6 @@ require_once(__DIR__.'/skipif.inc');
 ?>
 --FILE--
 <?php
-echo "Checking with no parameters\n";
-imap_open();
-imap_open(false);
-imap_open(false, false);
-imap_open('');
-imap_open('', '');
 
 echo "Checking with incorrect parameters\n" ;
 imap_open('', '', '');
@@ -25,17 +19,6 @@ imap_open($default_mailbox, $username, $password, NIL, -1);
 
 ?>
 --EXPECTF--
-Checking with no parameters
-
-Warning: imap_open() expects at least 3 parameters, 0 given in %s on line %d
-
-Warning: imap_open() expects at least 3 parameters, 1 given in %s on line %d
-
-Warning: imap_open() expects at least 3 parameters, 2 given in %s on line %d
-
-Warning: imap_open() expects at least 3 parameters, 1 given in %s on line %d
-
-Warning: imap_open() expects at least 3 parameters, 2 given in %s on line %d
 Checking with incorrect parameters
 
 Warning: imap_open(): Couldn't open stream  in %s on line %d
diff --git a/ext/imap/tests/imap_renamemailbox_basic.phpt b/ext/imap/tests/imap_renamemailbox_basic.phpt
index ee5ccb2be7234..c6b1812d165b5 100644
--- a/ext/imap/tests/imap_renamemailbox_basic.phpt
+++ b/ext/imap/tests/imap_renamemailbox_basic.phpt
@@ -8,13 +8,6 @@ require_once(__DIR__.'/skipif.inc');
 ?>
 --FILE--
 <?php
-echo "Checking with no parameters\n";
-imap_renamemailbox();
-
-echo  "Checking with incorrect parameter type\n";
-imap_renamemailbox('');
-imap_renamemailbox(false);
-
 
 require_once(__DIR__.'/imap_include.inc');
 
@@ -26,9 +19,6 @@ if (!is_resource($stream_id)) {
 
 $newbox = $default_mailbox . "." . $mailbox_prefix;
 
-imap_renamemailbox($stream_id, $newbox.'not');
-imap_renamemailbox($stream_id, $newbox);
-
 //commented because of bug #49901
 //$ancError = error_reporting(0);
 //$z = imap_renamemailbox($stream_id, $newbox.'not2', $newbox.'2');
@@ -47,20 +37,8 @@ imap_close($stream_id);
 require_once('clean.inc');
 ?>
 --EXPECTF--
-Checking with no parameters
-
-Warning: imap_renamemailbox() expects exactly 3 parameters, 0 given in %s on line %d
-Checking with incorrect parameter type
-
-Warning: imap_renamemailbox() expects exactly 3 parameters, 1 given in %s on line %d
-
-Warning: imap_renamemailbox() expects exactly 3 parameters, 1 given in %s on line %d
 Create a temporary mailbox and add 1 msgs
 .. mailbox '{%s}%s' created
-
-Warning: imap_renamemailbox() expects exactly 3 parameters, 2 given in %s on line %d
-
-Warning: imap_renamemailbox() expects exactly 3 parameters, 2 given in %s on line %d
 Checking OK
 bool(true)
 bool(true)
diff --git a/ext/imap/tests/imap_savebody_basic.phpt b/ext/imap/tests/imap_savebody_basic.phpt
index 2be987a3617c3..ccbaa1ba66cc4 100644
--- a/ext/imap/tests/imap_savebody_basic.phpt
+++ b/ext/imap/tests/imap_savebody_basic.phpt
@@ -8,18 +8,10 @@ require_once(__DIR__.'/skipif.inc');
 ?>
 --FILE--
 <?php
-echo "Checking with no parameters\n";
-imap_savebody();
-
-echo  "Checking with incorrect parameter type\n";
-imap_savebody('');
-imap_savebody(false);
 
 require_once(__DIR__.'/imap_include.inc');
 $stream_id = setup_test_mailbox('', 1);
 
-imap_savebody($stream_id);
-
 $file = __DIR__.'/tmpsavebody.txt';
 
 //with URL
@@ -42,18 +34,8 @@ imap_close($stream_id);
 require_once('clean.inc');
 ?>
 --EXPECTF--
-Checking with no parameters
-
-Warning: imap_savebody() expects at least 3 parameters, 0 given in %s on line %d
-Checking with incorrect parameter type
-
-Warning: imap_savebody() expects at least 3 parameters, 1 given in %s on line %d
-
-Warning: imap_savebody() expects at least 3 parameters, 1 given in %s on line %d
 Create a temporary mailbox and add 1 msgs
-.. mailbox '{%s}%s' created
-
-Warning: imap_savebody() expects at least 3 parameters, 1 given in %s on line %d
+.. mailbox '{127.0.0.1:143/norsh}INBOX.phpttest' created
 bool(true)
 Size: %d
 bool(true)
diff --git a/ext/imap/tests/imap_timeout_basic.phpt b/ext/imap/tests/imap_timeout_basic.phpt
index e1b958b3c77ef..f9618c3e3a33d 100644
--- a/ext/imap/tests/imap_timeout_basic.phpt
+++ b/ext/imap/tests/imap_timeout_basic.phpt
@@ -8,12 +8,6 @@ require_once(__DIR__.'/skipif.inc');
 ?>
 --FILE--
 <?php
-echo "Checking with no parameters\n";
-imap_timeout();
-
-echo  "Checking with incorrect parameter type\n";
-imap_timeout('');
-imap_timeout(false);
 
 echo "GET values:\n";
 var_dump(imap_timeout(IMAP_OPENTIMEOUT));
@@ -39,12 +33,6 @@ var_dump(imap_timeout(IMAP_WRITETIMEOUT));
 
 ?>
 --EXPECTF--
-Checking with no parameters
-
-Warning: imap_timeout() expects at least 1 argument, 0 given in %s on line %d
-Checking with incorrect parameter type
-
-Warning: imap_timeout(): Argument #1 must be of type int, %s given in %s on line %d
 GET values:
 int(%d)
 int(%d)
diff --git a/ext/imap/tests/setup.sh b/ext/imap/tests/setup.sh
new file mode 100644
index 0000000000000..5cb18334a3f95
--- /dev/null
+++ b/ext/imap/tests/setup.sh
@@ -0,0 +1,6 @@
+sudo service dovecot stop
+sudo groupadd -g 5000 vmail
+sudo useradd -m -d /var/vmail -s /bin/false -u 5000 -g vmail vmail
+sudo cp ext/imap/tests/dovecot.conf /etc/dovecot/dovecot.conf
+sudo cp ext/imap/tests/dovecotpass /etc/dovecot/dovecotpass
+sudo service dovecot start
diff --git a/ext/imap/tests/skipif.inc b/ext/imap/tests/skipif.inc
index 2820bff5c69f4..2167ad1d0cd65 100644
--- a/ext/imap/tests/skipif.inc
+++ b/ext/imap/tests/skipif.inc
@@ -2,7 +2,7 @@
 extension_loaded('imap') or die('skip imap extension not available in this build');
 
 // Change these to make tests run successfully
-$mailbox  = '{localhost/norsh}';
+$mailbox  = '{127.0.0.1:143/debug/norsh}';
 $username = 'webmaster@something.com';
 $password = 'p4ssw0rd';
 $options = OP_HALFOPEN; // this should be enough to verify server present