Prereq: "3.4.3"
diff -ur --new-file /var/tmp/postfix-3.4.3/src/global/mail_version.h ./src/global/mail_version.h
--- /var/tmp/postfix-3.4.3/src/global/mail_version.h	2019-03-10 19:45:42.000000000 -0400
+++ ./src/global/mail_version.h	2019-03-14 19:53:55.000000000 -0400
@@ -20,8 +20,8 @@
   * Patches change both the patchlevel and the release date. Snapshots have no
   * patchlevel; they change the release date only.
   */
-#define MAIL_RELEASE_DATE	"20190310"
-#define MAIL_VERSION_NUMBER	"3.4.3"
+#define MAIL_RELEASE_DATE	"20190314"
+#define MAIL_VERSION_NUMBER	"3.4.4"
 
 #ifdef SNAPSHOT
 #define MAIL_VERSION_DATE	"-" MAIL_RELEASE_DATE
diff -ur --new-file /var/tmp/postfix-3.4.3/HISTORY ./HISTORY
--- /var/tmp/postfix-3.4.3/HISTORY	2019-03-10 17:28:19.000000000 -0400
+++ ./HISTORY	2019-03-14 19:57:12.000000000 -0400
@@ -24177,7 +24177,7 @@
 
 	Bugfix (introduced: 20181226): broken DANE trust anchor
 	file support, caused by left-over debris from the 20181226
-	TLS library overhaul. Scott Kitterman. File: tls/tls_dane.c.
+	TLS library overhaul. By intrigeri. File: tls/tls_dane.c.
 
 	Bugfix (introduced: Postfix-1.0.1): null pointer read, while
 	logging a warning after a corrupted bounce log file. File:
@@ -24186,3 +24186,12 @@
 	Bugfix (introduced: Postfix-2.9.0): null pointer read, while
 	logging a warning after a postscreen_command_filter read
 	error. File: postscreen/postscreen_smtpd.c. global/bounce_log.c
+
+20190312
+
+	Bugfix (introduced: Postfix 2.2): reject_multi_recipient_bounce
+	has been producing false rejects starting with the Postfix
+	2.2 smtpd_end_of_data_restrictons, and for the same reasons,
+	does the same with the Postfix 3.4 BDAT command. The latter
+	was reported by Andreas Schulze. File: smtpd/smtpd_check.c.
+
diff -ur --new-file /var/tmp/postfix-3.4.3/src/smtpd/smtpd_check.c ./src/smtpd/smtpd_check.c
--- /var/tmp/postfix-3.4.3/src/smtpd/smtpd_check.c	2018-08-23 09:44:18.000000000 -0400
+++ ./src/smtpd/smtpd_check.c	2019-03-12 08:28:20.000000000 -0400
@@ -4583,7 +4583,7 @@
 		status = check_recipient_rcpt_maps(state, state->recipient);
 	} else if (strcasecmp(name, REJECT_MUL_RCPT_BOUNCE) == 0) {
 	    if (state->sender && *state->sender == 0 && state->rcpt_count
-		> (strcmp(state->where, SMTPD_CMD_DATA) ? 0 : 1))
+		> (strcmp(state->where, SMTPD_CMD_RCPT) != 0))
 		status = smtpd_check_reject(state, MAIL_ERROR_POLICY,
 					    var_mul_rcpt_code, "5.5.3",
 				"<%s>: %s rejected: Multi-recipient bounce",