diff --git a/zerver/fixtures/slack_message_conversion.json b/zerver/fixtures/slack_message_conversion.json
index 221ba2407f..1239ac7bb5 100644
--- a/zerver/fixtures/slack_message_conversion.json
+++ b/zerver/fixtures/slack_message_conversion.json
@@ -15,6 +15,16 @@
       "input": "<http://datausa.io/> this is a good website.",
       "conversion_output": "http://datausa.io/ this is a good website."
     },
+    {
+      "name": "mailto_format1",
+      "input": "email me at <mailto:random@gmail.com|random@gmail.com>",
+      "conversion_output": "email me at mailto:random@gmail.com"
+    },
+    {
+      "name": "mailto_format2",
+      "input": "email me at <mailto:random@gmail.com>",
+      "conversion_output": "email me at mailto:random@gmail.com"
+    },
     {
       "name": "valid_strikethrough_test",
       "input": "(~str ike!~, text. ~Also ~)",
diff --git a/zerver/lib/slack_message_conversion.py b/zerver/lib/slack_message_conversion.py
index 80b7c3eb12..b9dfc7677b 100644
--- a/zerver/lib/slack_message_conversion.py
+++ b/zerver/lib/slack_message_conversion.py
@@ -15,6 +15,14 @@ LINK_REGEX = r"""
               (\|)?(?:\|([^>]+))?                                # char after pipe (for slack links)
               (>)
               """
+
+SLACK_MAILTO_REGEX = r"""
+                      <((mailto:)?                     # match  `<mailto:`
+                      ([\w\.-]+@[\w\.-]+(\.[\w]+)+))   # match email
+                          (\|)?                        # match pipe
+                      ([\w\.-]+@[\w\.-]+(\.[\w]+)+)?>  # match email
+                      """
+
 SLACK_USERMENTION_REGEX = r"""
                            (<@)                  # Start with '<@'
                                ([a-zA-Z0-9]+)    # Here we have the Slack id
@@ -83,6 +91,8 @@ def convert_to_zulip_markdown(text: str, users: List[ZerverFieldsT],
 
     # Check and convert link format
     text, has_link = convert_link_format(text)
+    # convert `<mailto:foo@foo.com>` to `mailto:foo@foo.com`
+    text, has_link = convert_mailto_format(text)
 
     return text, mentioned_users_id, has_link
 
@@ -126,3 +136,14 @@ def convert_link_format(text: str) -> Tuple[str, bool]:
         has_link = True
         text = text.replace(match.group(0), converted_text)
     return text, has_link
+
+def convert_mailto_format(text: str) -> Tuple[str, bool]:
+    """
+    1. Converts '<mailto:foo@foo.com>' to 'mailto:foo@foo.com'
+    2. Converts '<mailto:foo@foo.com|foo@foo.com>' to 'mailto:foo@foo.com'
+    """
+    has_link = False
+    for match in re.finditer(SLACK_MAILTO_REGEX, text, re.VERBOSE):
+        has_link = True
+        text = text.replace(match.group(0), match.group(1))
+    return text, has_link