From 1fbc471efea69724f0c5addd167322f0326e9520 Mon Sep 17 00:00:00 2001
From: Tem Ogunfiditimi <tem@episof.com>
Date: Sat, 12 Dec 2020 23:48:01 -0500
Subject: [PATCH] Examine error code returned by curl handle instead of return
 value from curl_exec. Using the return value from curl_exec resulted in
 failure on new mailboxes that did not contain any mail.

Signed-off-by: Tem Ogunfiditimi <tem@episof.com>

Changed comparison to identical check

Signed-off-by: Tem Ogunfiditmi <tem@episof.com>
Signed-off-by: Tem Ogunfiditimi <tem@episof.com>
---
 lib/IMAP.php | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/lib/IMAP.php b/lib/IMAP.php
index 791d49a..cd5e8ec 100644
--- a/lib/IMAP.php
+++ b/lib/IMAP.php
@@ -98,9 +98,10 @@ class IMAP extends Base {
 		curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 10);
 		curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'CAPABILITY');
 
-		$canconnect = curl_exec($ch);
+		curl_exec($ch);
+		$errorcode = curl_errno($ch);
 
-		if ($canconnect) {
+		if ($errorcode === 0) {
 			curl_close($ch);
 			$uid = mb_strtolower($uid);
 			$this->storeUser($uid, $groups);