diff --git a/frontend/app/(main)/mail/imap/page.tsx b/frontend/app/(main)/mail/imap/page.tsx
index cf734b8a..e67a5c94 100644
--- a/frontend/app/(main)/mail/imap/page.tsx
+++ b/frontend/app/(main)/mail/imap/page.tsx
@@ -25,6 +25,10 @@ import {
 } from "@/components/ui/alert-dialog";
 import { toast } from "sonner";
 import { Switch } from "@/components/ui/switch";
+import { Popover, PopoverContent, PopoverTrigger } from "@/components/ui/popover";
+import { Command, CommandEmpty, CommandGroup, CommandInput, CommandItem, CommandList } from "@/components/ui/command";
+import { cn } from "@/lib/utils";
+import { ChevronsUpDown, Check } from "lucide-react";
 import {
   ResizablePanelGroup,
   ResizablePanel,
@@ -85,6 +89,15 @@ import {
 } from "@/lib/api/userMail";
 const ComposeDialogDynamic = dynamic(() => import("./ComposeDialog"), { ssr: false });
 
+const IMAP_PRESETS = [
+  { label: "직접 입력", value: "custom", host: "", port: 993, useTls: true },
+  { label: "Gmail", value: "gmail", host: "imap.gmail.com", port: 993, useTls: true },
+  { label: "Naver", value: "naver", host: "imap.naver.com", port: 993, useTls: true },
+  { label: "Outlook / Hotmail", value: "outlook", host: "outlook.office365.com", port: 993, useTls: true },
+  { label: "Kakao", value: "kakao", host: "imap.kakao.com", port: 993, useTls: true },
+  { label: "Daum", value: "daum", host: "imap.daum.net", port: 993, useTls: true },
+];
+
 const DEFAULT_FORM: CreateUserMailAccountDto = {
   displayName: "",
   email: "",
@@ -131,6 +144,7 @@ export default function ImapMailPage() {
   const [pendingDeleteMail, setPendingDeleteMail] = useState<ReceivedMail | null>(null);
   const [pendingDeleteAccount, setPendingDeleteAccount] = useState<UserMailAccount | null>(null);
   const [showPassword, setShowPassword] = useState(false);
+  const [hostPopoverOpen, setHostPopoverOpen] = useState(false);
 
   const detailCacheRef = useRef<Map<string, MailDetail>>(new Map());
   const prefetchingRef = useRef<Set<string>>(new Set());
@@ -416,6 +430,7 @@ export default function ImapMailPage() {
     setForm(DEFAULT_FORM);
     setTestResult(null);
     setShowPassword(false);
+    setHostPopoverOpen(false);
     setShowDialog(true);
   }
 
@@ -913,11 +928,46 @@ export default function ImapMailPage() {
             <div className="grid grid-cols-2 gap-3">
               <div className="space-y-1">
                 <Label className="text-xs">IMAP 호스트</Label>
-                <Input
-                  value={form.host}
-                  onChange={(e) => setForm((p) => ({ ...p, host: e.target.value }))}
-                  placeholder="imap.gmail.com"
-                />
+                <Popover open={hostPopoverOpen} onOpenChange={setHostPopoverOpen}>
+                  <PopoverTrigger asChild>
+                    <Button variant="outline" role="combobox" className="w-full justify-between font-normal">
+                      <span className={cn("truncate", !form.host && "text-muted-foreground")}>
+                        {form.host || "imap.gmail.com"}
+                      </span>
+                      <ChevronsUpDown className="ml-2 h-4 w-4 shrink-0 opacity-50" />
+                    </Button>
+                  </PopoverTrigger>
+                  <PopoverContent className="w-[220px] p-0" align="start">
+                    <Command>
+                      <CommandInput
+                        placeholder="호스트 직접 입력..."
+                        value={form.host}
+                        onValueChange={(v) => setForm((p) => ({ ...p, host: v }))}
+                      />
+                      <CommandList>
+                        <CommandEmpty>직접 입력한 값을 사용합니다</CommandEmpty>
+                        <CommandGroup>
+                          {IMAP_PRESETS.filter((p) => p.value !== "custom").map((preset) => (
+                            <CommandItem
+                              key={preset.value}
+                              value={preset.host}
+                              onSelect={() => {
+                                setForm((p) => ({ ...p, host: preset.host, port: preset.port, useTls: preset.useTls }));
+                                setHostPopoverOpen(false);
+                              }}
+                            >
+                              <Check className={cn("mr-2 h-4 w-4", form.host === preset.host ? "opacity-100" : "opacity-0")} />
+                              <div>
+                                <div className="text-sm font-medium">{preset.label}</div>
+                                <div className="text-xs text-muted-foreground">{preset.host}</div>
+                              </div>
+                            </CommandItem>
+                          ))}
+                        </CommandGroup>
+                      </CommandList>
+                    </Command>
+                  </PopoverContent>
+                </Popover>
               </div>
               <div className="space-y-1">
                 <Label className="text-xs">포트</Label>