From 8a0abba80c9c2ff6b546af517fd54a6ca81852c2 Mon Sep 17 00:00:00 2001
From: Kacper Kwapisz <kacper.kwapisz@mail.com>
Date: Sun, 22 Mar 2026 22:06:48 +0100
Subject: [PATCH] Make SMTP config optional, falls back to IMAP
 host/credentials

---
 config.example.yml | 22 ++++++++++++++++------
 src/server.py      | 25 +++++++++++++------------
 2 files changed, 29 insertions(+), 18 deletions(-)

diff --git a/config.example.yml b/config.example.yml
index be4cf37..9b9deca 100644
--- a/config.example.yml
+++ b/config.example.yml
@@ -2,20 +2,30 @@
 # Copy this file to config.yml and fill in your credentials
 
 webhook_url: "https://poke.com/api/v1/inbound-sms/webhook"
-poke_api_key: "your-api-key-here"  # from https://poke.com/settings/advanced
+poke_api_key: "your-api-key-here"
 
 # MCP_API_KEY is set via environment variable (not in this file)
 # It secures the MCP server so only you can use it
 
 accounts:
-  - id: default
+  # Minimal — SMTP falls back to IMAP host/credentials
+  - id: personal
     imap_host: imap.gmail.com
     imap_port: 993
     imap_username: "you@gmail.com"
     imap_password: "your-app-password"
-    smtp_host: smtp.gmail.com
-    smtp_port: 587
-    smtp_username: "you@gmail.com"
-    smtp_password: "your-app-password"
     watch_folders:
       - INBOX
+
+  # Full — separate SMTP settings (only if different from IMAP)
+  # - id: work
+  #   imap_host: imap.example.com
+  #   imap_port: 993
+  #   imap_username: "you@example.com"
+  #   imap_password: "imap-password"
+  #   smtp_host: smtp.example.com
+  #   smtp_port: 587
+  #   smtp_username: "you@example.com"
+  #   smtp_password: "smtp-password"
+  #   watch_folders:
+  #     - INBOX
diff --git a/src/server.py b/src/server.py
index c8bc9e1..f75d29e 100755
--- a/src/server.py
+++ b/src/server.py
@@ -73,27 +73,28 @@ def parse_accounts(config: dict) -> list[dict]:
                 "imap_port": int(os.environ.get("IMAP_PORT", "993")),
                 "imap_username": os.environ["IMAP_USERNAME"],
                 "imap_password": os.environ["IMAP_PASSWORD"],
-                "smtp_host": os.environ["SMTP_HOST"],
+                "smtp_host": os.environ.get("SMTP_HOST", imap_host),
                 "smtp_port": int(os.environ.get("SMTP_PORT", "587")),
-                "smtp_username": os.environ["SMTP_USERNAME"],
-                "smtp_password": os.environ["SMTP_PASSWORD"],
+                "smtp_username": os.environ.get(
+                    "SMTP_USERNAME", os.environ["IMAP_USERNAME"]
+                ),
+                "smtp_password": os.environ.get(
+                    "SMTP_PASSWORD", os.environ["IMAP_PASSWORD"]
+                ),
                 "watch_folders": ["INBOX"],
             }
         ]
 
-    required = (
-        "imap_host",
-        "imap_username",
-        "imap_password",
-        "smtp_host",
-        "smtp_username",
-        "smtp_password",
-    )
+    required = ("imap_host", "imap_username", "imap_password")
     for i, acc in enumerate(accounts):
         acc.setdefault("id", f"account-{i}")
         acc.setdefault("imap_port", 993)
-        acc.setdefault("smtp_port", 587)
         acc.setdefault("watch_folders", ["INBOX"])
+        # SMTP falls back to IMAP if not specified
+        acc.setdefault("smtp_host", acc.get("imap_host"))
+        acc.setdefault("smtp_port", 587)
+        acc.setdefault("smtp_username", acc.get("imap_username"))
+        acc.setdefault("smtp_password", acc.get("imap_password"))
         for field in required:
             if field not in acc:
                 raise RuntimeError(