diff --git a/mail/pecl-mailparse/Makefile b/mail/pecl-mailparse/Makefile
index fa6b792eae9c..ba1d54e43b11 100644
--- a/mail/pecl-mailparse/Makefile
+++ b/mail/pecl-mailparse/Makefile
@@ -13,6 +13,6 @@ LICENSE_FILE=	${WRKSRC}/LICENSE
 
 USES=		php:pecl
 USE_PHP=	mbstring:build
-IGNORE_WITH_PHP=	56 73
+IGNORE_WITH_PHP=	56
 
 .include <bsd.port.mk>
diff --git a/mail/pecl-mailparse/files/patch-PHP-73-compatibility b/mail/pecl-mailparse/files/patch-PHP-73-compatibility
new file mode 100644
index 000000000000..41263a8ade1f
--- /dev/null
+++ b/mail/pecl-mailparse/files/patch-PHP-73-compatibility
@@ -0,0 +1,80 @@
+http://git.php.net/?p=pecl/mail/mailparse.git;a=patch;h=13c2c425e519b22660a03d566c35e76b3d4751dc
+From 13c2c425e519b22660a03d566c35e76b3d4751dc Mon Sep 17 00:00:00 2001
+From: Jan-E <github@ehrhardt.nl>
+Date: Tue, 10 Jul 2018 17:42:24 +0200
+Subject: [PATCH] PHP 7.3 compatibility
+
+---
+ mailparse.c          | 13 +++++++++++++
+ php_mailparse_mime.c |  9 +++++++++
+ 2 files changed, 22 insertions(+)
+
+diff --git a/mailparse.c b/mailparse.c
+index bf5be0f..f658d68 100644
+--- mailparse.c
++++ mailparse.c
+@@ -984,12 +984,21 @@ PHP_FUNCTION(mailparse_stream_encode)
+ 	buf = emalloc(bufsize);
+ 	RETVAL_TRUE;
+ 
++#if PHP_VERSION_ID >= 70300
++	conv = mbfl_convert_filter_new(mbfl_no2encoding(mbfl_no_encoding_8bit),
++			mbfl_no2encoding(enc),
++			mailparse_stream_output,
++			mailparse_stream_flush,
++			deststream
++			);
++#else
+ 	conv = mbfl_convert_filter_new(mbfl_no_encoding_8bit,
+ 			enc,
+ 			mailparse_stream_output,
+ 			mailparse_stream_flush,
+ 			deststream
+ 			);
++#endif
+ 
+ 	if (enc == mbfl_no_encoding_qprint) {
+ 		/* If the qp encoded section is going to be digitally signed,
+@@ -1165,9 +1174,13 @@ PHP_FUNCTION(mailparse_msg_get_structure)
+ 
+ 	mailparse_fetch_mimepart_resource(part, arg);
+ 
++#if PHP_VERSION_ID >= 70300
++	array_init(return_value);
++#else
+ 	if (array_init(return_value) == FAILURE)	{
+ 		RETURN_FALSE;
+ 	}
++#endif
+ 	php_mimepart_enum_parts(part, &get_structure_callback, return_value);
+ }
+ /* }}} */
+diff --git a/php_mailparse_mime.c b/php_mailparse_mime.c
+index b22eabb..8176c9d 100644
+--- php_mailparse_mime.c
++++ php_mailparse_mime.c
+@@ -906,12 +906,21 @@ PHP_MAILPARSE_API void php_mimepart_decoder_prepare(php_mimepart *part, int do_d
+ 		if (from == mbfl_no_encoding_8bit || from == mbfl_no_encoding_7bit) {
+ 			part->extract_filter = NULL;
+ 		} else {
++#if PHP_VERSION_ID >= 70300
++			part->extract_filter = mbfl_convert_filter_new(
++					mbfl_no2encoding(from), mbfl_no2encoding(mbfl_no_encoding_8bit),
++					filter_into_work_buffer,
++					NULL,
++					part
++					);
++#else
+ 			part->extract_filter = mbfl_convert_filter_new(
+ 					from, mbfl_no_encoding_8bit,
+ 					filter_into_work_buffer,
+ 					NULL,
+ 					part
+ 					);
++#endif
+ 		}
+ 	}
+ 
+-- 
+2.1.4
+