diff --git a/apps/settings/tests/Mailer/NewUserMailHelperTest.php b/apps/settings/tests/Mailer/NewUserMailHelperTest.php
index e2ceec67d22..42ffff2de6b 100644
--- a/apps/settings/tests/Mailer/NewUserMailHelperTest.php
+++ b/apps/settings/tests/Mailer/NewUserMailHelperTest.php
@@ -294,7 +294,7 @@ class NewUserMailHelperTest extends TestCase {
 				<tr style="padding:0;text-align:left;vertical-align:top">
 					<th style="Margin:0;color:#0a0a0a;font-family:Lucida Grande,Geneva,Verdana,sans-serif;font-size:16px;font-weight:400;line-height:1.3;margin:0;padding:0;text-align:left">
 						<center data-parsed="" style="min-width:490px;width:100%">
-							<table class="button btn default primary float-center" style="Margin:0 0 30px 0;border-collapse:collapse;border-spacing:0;display:inline-block;float:none;margin:0 0 30px 0;margin-right:15px;max-height:40px;max-width:200px;padding:0;text-align:center;vertical-align:top;width:auto;background:;background-color:;color:#fefefe;">
+							<table class="button btn default primary float-center" style="Margin:0 0 30px 0;border-collapse:collapse;border-spacing:0;display:inline-block;float:none;margin:0 0 30px 0;margin-right:15px;max-height:60px;max-width:200px;padding:0;text-align:center;vertical-align:top;width:auto;background:;background-color:;color:#fefefe;">
 								<tr style="padding:0;text-align:left;vertical-align:top">
 									<td style="-moz-hyphens:auto;-webkit-hyphens:auto;Margin:0;border-collapse:collapse!important;color:#0a0a0a;font-family:Lucida Grande,Geneva,Verdana,sans-serif;font-size:16px;font-weight:400;hyphens:auto;line-height:1.3;margin:0;padding:0;text-align:left;vertical-align:top;word-wrap:break-word">
 										<table style="border-collapse:collapse;border-spacing:0;padding:0;text-align:left;vertical-align:top;width:100%">
@@ -531,7 +531,7 @@ EOF;
 				<tr style="padding:0;text-align:left;vertical-align:top">
 					<th style="Margin:0;color:#0a0a0a;font-family:Lucida Grande,Geneva,Verdana,sans-serif;font-size:16px;font-weight:400;line-height:1.3;margin:0;padding:0;text-align:left">
 						<center data-parsed="" style="min-width:490px;width:100%">
-							<table class="button btn default primary float-center" style="Margin:0 0 30px 0;border-collapse:collapse;border-spacing:0;display:inline-block;float:none;margin:0 0 30px 0;margin-right:15px;max-height:40px;max-width:200px;padding:0;text-align:center;vertical-align:top;width:auto;background:;background-color:;color:#fefefe;">
+							<table class="button btn default primary float-center" style="Margin:0 0 30px 0;border-collapse:collapse;border-spacing:0;display:inline-block;float:none;margin:0 0 30px 0;margin-right:15px;max-height:60px;max-width:200px;padding:0;text-align:center;vertical-align:top;width:auto;background:;background-color:;color:#fefefe;">
 								<tr style="padding:0;text-align:left;vertical-align:top">
 									<td style="-moz-hyphens:auto;-webkit-hyphens:auto;Margin:0;border-collapse:collapse!important;color:#0a0a0a;font-family:Lucida Grande,Geneva,Verdana,sans-serif;font-size:16px;font-weight:400;hyphens:auto;line-height:1.3;margin:0;padding:0;text-align:left;vertical-align:top;word-wrap:break-word">
 										<table style="border-collapse:collapse;border-spacing:0;padding:0;text-align:left;vertical-align:top;width:100%">
@@ -614,8 +614,8 @@ Go to TestCloud: https://example.com/
 Install Client: https://nextcloud.com/install/#install-clients
 
 
--- 
-TestCloud - 
+--
+TestCloud -
 This is an automatically sent email, please do not reply.
 EOF;
 
@@ -757,7 +757,7 @@ EOF;
 				<tr style="padding:0;text-align:left;vertical-align:top">
 					<th style="Margin:0;color:#0a0a0a;font-family:Lucida Grande,Geneva,Verdana,sans-serif;font-size:16px;font-weight:400;line-height:1.3;margin:0;padding:0;text-align:left">
 						<center data-parsed="" style="min-width:490px;width:100%">
-							<table class="button btn default primary float-center" style="Margin:0 0 30px 0;border-collapse:collapse;border-spacing:0;display:inline-block;float:none;margin:0 0 30px 0;margin-right:15px;max-height:40px;max-width:200px;padding:0;text-align:center;vertical-align:top;width:auto;background:;background-color:;color:#fefefe;">
+							<table class="button btn default primary float-center" style="Margin:0 0 30px 0;border-collapse:collapse;border-spacing:0;display:inline-block;float:none;margin:0 0 30px 0;margin-right:15px;max-height:60px;max-width:200px;padding:0;text-align:center;vertical-align:top;width:auto;background:;background-color:;color:#fefefe;">
 								<tr style="padding:0;text-align:left;vertical-align:top">
 									<td style="-moz-hyphens:auto;-webkit-hyphens:auto;Margin:0;border-collapse:collapse!important;color:#0a0a0a;font-family:Lucida Grande,Geneva,Verdana,sans-serif;font-size:16px;font-weight:400;hyphens:auto;line-height:1.3;margin:0;padding:0;text-align:left;vertical-align:top;word-wrap:break-word">
 										<table style="border-collapse:collapse;border-spacing:0;padding:0;text-align:left;vertical-align:top;width:100%">
@@ -838,8 +838,8 @@ Go to TestCloud: https://example.com/
 Install Client: https://nextcloud.com/install/#install-clients
 
 
--- 
-TestCloud - 
+--
+TestCloud -
 This is an automatically sent email, please do not reply.
 EOF;
 
diff --git a/lib/private/Mail/EMailTemplate.php b/lib/private/Mail/EMailTemplate.php
index 3bb5b299f4e..b2024915397 100644
--- a/lib/private/Mail/EMailTemplate.php
+++ b/lib/private/Mail/EMailTemplate.php
@@ -236,7 +236,7 @@ EOF;
 				<tr style="padding:0;text-align:left;vertical-align:top">
 					<th style="Margin:0;color:#0a0a0a;font-family:Lucida Grande,Geneva,Verdana,sans-serif;font-size:16px;font-weight:400;line-height:1.3;margin:0;padding:0;text-align:left">
 						<center data-parsed="" style="min-width:490px;width:100%%">
-							<table class="button btn default primary float-center" style="Margin:0 0 30px 0;border-collapse:collapse;border-spacing:0;display:inline-block;float:none;margin:0 0 30px 0;margin-right:15px;max-height:40px;max-width:200px;padding:0;text-align:center;vertical-align:top;width:auto;background:%1\$s;background-color:%1\$s;color:#fefefe;">
+							<table class="button btn default primary float-center" style="Margin:0 0 30px 0;border-collapse:collapse;border-spacing:0;display:inline-block;float:none;margin:0 0 30px 0;margin-right:15px;max-height:60px;max-width:200px;padding:0;text-align:center;vertical-align:top;width:auto;background:%1\$s;background-color:%1\$s;color:#fefefe;">
 								<tr style="padding:0;text-align:left;vertical-align:top">
 									<td style="-moz-hyphens:auto;-webkit-hyphens:auto;Margin:0;border-collapse:collapse!important;color:#0a0a0a;font-family:Lucida Grande,Geneva,Verdana,sans-serif;font-size:16px;font-weight:400;hyphens:auto;line-height:1.3;margin:0;padding:0;text-align:left;vertical-align:top;word-wrap:break-word">
 										<table style="border-collapse:collapse;border-spacing:0;padding:0;text-align:left;vertical-align:top;width:100%%">
@@ -289,7 +289,7 @@ EOF;
 				<tr style="padding:0;text-align:left;vertical-align:top">
 					<th style="Margin:0;color:#0a0a0a;font-family:Lucida Grande,Geneva,Verdana,sans-serif;font-size:16px;font-weight:400;line-height:1.3;margin:0;padding:0;text-align:left">
 						<center data-parsed="" style="min-width:490px;width:100%%">
-							<table class="button btn default primary float-center" style="Margin:0;border-collapse:collapse;border-spacing:0;display:inline-block;float:none;margin:0;max-height:40px;padding:0;text-align:center;vertical-align:top;width:auto;background:%1\$s;color:#fefefe;background-color:%1\$s;">
+							<table class="button btn default primary float-center" style="Margin:0;border-collapse:collapse;border-spacing:0;display:inline-block;float:none;margin:0;max-height:60px;padding:0;text-align:center;vertical-align:top;width:auto;background:%1\$s;color:#fefefe;background-color:%1\$s;">
 								<tr style="padding:0;text-align:left;vertical-align:top">
 									<td style="-moz-hyphens:auto;-webkit-hyphens:auto;Margin:0;border-collapse:collapse!important;color:#0a0a0a;font-family:Lucida Grande,Geneva,Verdana,sans-serif;font-size:16px;font-weight:400;hyphens:auto;line-height:1.3;margin:0;padding:0;text-align:left;vertical-align:top;word-wrap:break-word">
 										<table style="border-collapse:collapse;border-spacing:0;padding:0;text-align:left;vertical-align:top;width:100%%">
diff --git a/tests/data/emails/new-account-email-custom.html b/tests/data/emails/new-account-email-custom.html
index 2d2e01b7ab0..9165a581d48 100644
--- a/tests/data/emails/new-account-email-custom.html
+++ b/tests/data/emails/new-account-email-custom.html
@@ -114,7 +114,7 @@
 				<tr style="padding:0;text-align:left;vertical-align:top">
 					<th style="Margin:0;color:#0a0a0a;font-family:Lucida Grande,Geneva,Verdana,sans-serif;font-size:16px;font-weight:400;line-height:1.3;margin:0;padding:0;text-align:left">
 						<center data-parsed="" style="min-width:490px;width:100%">
-							<table class="button btn default primary float-center" style="Margin:0 0 30px 0;border-collapse:collapse;border-spacing:0;display:inline-block;float:none;margin:0 0 30px 0;margin-right:15px;max-height:40px;max-width:200px;padding:0;text-align:center;vertical-align:top;width:auto;background:#0082c9;background-color:#0082c9;color:#fefefe;">
+							<table class="button btn default primary float-center" style="Margin:0 0 30px 0;border-collapse:collapse;border-spacing:0;display:inline-block;float:none;margin:0 0 30px 0;margin-right:15px;max-height:60px;max-width:200px;padding:0;text-align:center;vertical-align:top;width:auto;background:#0082c9;background-color:#0082c9;color:#fefefe;">
 								<tr style="padding:0;text-align:left;vertical-align:top">
 									<td style="-moz-hyphens:auto;-webkit-hyphens:auto;Margin:0;border-collapse:collapse!important;color:#0a0a0a;font-family:Lucida Grande,Geneva,Verdana,sans-serif;font-size:16px;font-weight:400;hyphens:auto;line-height:1.3;margin:0;padding:0;text-align:left;vertical-align:top;word-wrap:break-word">
 										<table style="border-collapse:collapse;border-spacing:0;padding:0;text-align:left;vertical-align:top;width:100%">
diff --git a/tests/data/emails/new-account-email.html b/tests/data/emails/new-account-email.html
index 3835fc3d540..82bea527518 100644
--- a/tests/data/emails/new-account-email.html
+++ b/tests/data/emails/new-account-email.html
@@ -114,7 +114,7 @@
 				<tr style="padding:0;text-align:left;vertical-align:top">
 					<th style="Margin:0;color:#0a0a0a;font-family:Lucida Grande,Geneva,Verdana,sans-serif;font-size:16px;font-weight:400;line-height:1.3;margin:0;padding:0;text-align:left">
 						<center data-parsed="" style="min-width:490px;width:100%">
-							<table class="button btn default primary float-center" style="Margin:0 0 30px 0;border-collapse:collapse;border-spacing:0;display:inline-block;float:none;margin:0 0 30px 0;margin-right:15px;max-height:40px;max-width:200px;padding:0;text-align:center;vertical-align:top;width:auto;background:#0082c9;background-color:#0082c9;color:#fefefe;">
+							<table class="button btn default primary float-center" style="Margin:0 0 30px 0;border-collapse:collapse;border-spacing:0;display:inline-block;float:none;margin:0 0 30px 0;margin-right:15px;max-height:60px;max-width:200px;padding:0;text-align:center;vertical-align:top;width:auto;background:#0082c9;background-color:#0082c9;color:#fefefe;">
 								<tr style="padding:0;text-align:left;vertical-align:top">
 									<td style="-moz-hyphens:auto;-webkit-hyphens:auto;Margin:0;border-collapse:collapse!important;color:#0a0a0a;font-family:Lucida Grande,Geneva,Verdana,sans-serif;font-size:16px;font-weight:400;hyphens:auto;line-height:1.3;margin:0;padding:0;text-align:left;vertical-align:top;word-wrap:break-word">
 										<table style="border-collapse:collapse;border-spacing:0;padding:0;text-align:left;vertical-align:top;width:100%">