diff --git a/bin/mw b/bin/mw
index cdb7856..3effeea 100755
--- a/bin/mw
+++ b/bin/mw
@@ -208,7 +208,9 @@ getboxes() {
 	if [ -n "${force+x}" ]; then
 		mailboxes="$(printf "INBOX\\nDrafts\\nJunk\\nTrash\\nSent\\nArchive")"
 	else
-		info="$(curl --location-trusted -s -m 5 --user "$login:$(pass "$passprefix$fulladdr")" --url "${protocol:-imaps}://$imap:${iport:-993}")"
+        [ -n "$sslcert" ] \
+			&& info="$(curl --location-trusted -s -m 5 --user "$login:$(pass "$passprefix$fulladdr")" --url "${protocol:-imaps}://$imap:${iport:-993}")" \
+			|| info="$(curl -k --location-trusted -s -m 5 --user "$login:$(pass "$passprefix$fulladdr")" --url "${protocol:-imaps}://$imap:${iport:-993}")"
 		[ -z "$info" ] && errorexit
 		mailboxes="$(echo "$info" | grep -v HasChildren | sed "s/.*\" //;s/\"//g" | tr -d '\r')"
 	fi
@@ -288,6 +290,7 @@ Options allowed with -a:
   -X	Delete an account's local email too when deleting.
   -o	Configure address, but keep mail online.
   -f	Assume typical English mailboxes without attempting log-on.
+  -c	Path to self-signed TLS certificate.
 
 NOTE: Once at least one account is added, you can run
 \`mbsync -a\` to begin downloading mail.
@@ -320,7 +323,7 @@ reorder() {
 	' "$tempfile" >>"$muttrc"
 }
 
-while getopts "rfpXlhodTYD:y:i:I:s:S:u:a:n:P:x:m:t:" o; do case "${o}" in
+while getopts "rfpXlhodTYD:y:i:I:s:S:u:a:n:P:x:m:t:c:" o; do case "${o}" in
 	l) setact list ;;
 	r) setact reorder ;;
 	d) setact delete ;;
@@ -387,6 +390,10 @@ while getopts "rfpXlhodTYD:y:i:I:s:S:u:a:n:P:x:m:t:" o; do case "${o}" in
 		setact add
 		password="$OPTARG"
 		;;
+	c)
+		setact add
+		sslcert="$OPTARG"
+		;;
 	X)
 		setact delete
 		purge=True
diff --git a/mw.1 b/mw.1
index 4a136ee..22ebd7a 100644
--- a/mw.1
+++ b/mw.1
@@ -70,8 +70,12 @@ SMTP server port (assumed to be 465 if not specified)
 .TP
 .B -x
 Account password. You will be prompted for the password interactively if this option is not given.
+.TP
 .B -P
 Pass Prefix. The password will be stored using pass at <passprefix><email>
+.TP
+.B -c path
+Path to self-signed TLS certificate
 .SH OTHER OPTIONS
 .TP
 .B -f