diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 8aff2817..e7513bce 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -10,14 +10,14 @@ repos:
         types: [python]
 
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: "v0.14.14"
+    rev: "v0.15.0"
     hooks:
       - id: ruff
         args: [--fix, --exit-non-zero-on-fix]
       - id: ruff-format
 
   - repo: https://github.com/tox-dev/pyproject-fmt
-    rev: 'v2.11.1'
+    rev: 'v2.12.1'
     hooks:
       - id: pyproject-fmt
 
diff --git a/conftest.py b/conftest.py
index c0070ba1..c735efb3 100644
--- a/conftest.py
+++ b/conftest.py
@@ -1,7 +1,9 @@
 """For testing."""
 
-# 3rd party
+import sys
+
 import pytest
+from twisted.python import log
 
 from pywwa import CTX, CTX_DEFAULTS
 from pywwa.database import get_dbconnc
@@ -10,6 +12,7 @@
 # pytest + twisted + click == too much magic for poor me
 # So, this effectively disables reactor.stop() from working
 CTX_DEFAULTS["shutdown_delay"] = 1800
+log.startLogging(sys.stdout)
 
 
 @pytest.fixture(autouse=True)
diff --git a/examples/SHEF/RR3MPX_1.txt b/examples/SHEF/RR3MPX_1.txt
new file mode 100644
index 00000000..1199efd0
--- /dev/null
+++ b/examples/SHEF/RR3MPX_1.txt
@@ -0,0 +1,7 @@
+000 
+SRUS53 KMPX 031510
+RR3MPX
+WxCoder
+.A LCHM5 260203 C DH0800/TX 19/TN -6/TA 0/PP 0.00
+.A1 SF 0.0/SD 4/SW 3.0/DC2602030907
+
diff --git a/examples/SHEF/RR3MPX_2.txt b/examples/SHEF/RR3MPX_2.txt
new file mode 100644
index 00000000..c0acf814
--- /dev/null
+++ b/examples/SHEF/RR3MPX_2.txt
@@ -0,0 +1,7 @@
+000 
+SRUS53 KMPX 032100
+RR3MPX
+WxCoder
+.AR LCHM5 260203 C DH0800/TX 19/TN -6/TA 0/PP 0.00
+.AR1 SF 0.0/SD 4/SW M/DC2602031459
+
diff --git a/pyproject.toml b/pyproject.toml
index fa31934f..7806ea90 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -117,6 +117,9 @@ lint.select = [
 lint.per-file-ignores."goes/*.py" = [
   "T201",
 ]
+lint.per-file-ignores."tests/*.py" = [
+  "T201",
+]
 lint.per-file-ignores."util/*.py" = [
   "T201",
 ]
diff --git a/src/pywwa/common.py b/src/pywwa/common.py
index f30062d7..e7850c13 100644
--- a/src/pywwa/common.py
+++ b/src/pywwa/common.py
@@ -205,11 +205,14 @@ def email_error(exp, message="", trimstr=100):
     msg["subject"] = (
         f"[pyWWA] {sys.argv[0].rsplit('/', maxsplit=1)[-1]} Traceback -- {hn}"
     )
-    msg["From"] = SETTINGS.get("pywwa_errors_from", "ldm@localhost")
-    msg["To"] = SETTINGS.get("pywwa_errors_to", "ldm@localhost")
+    msg["From"] = SETTINGS.get("pywwa_errors_from", "root@localhost")
+    msg["To"] = SETTINGS.get("pywwa_errors_to", "root@localhost")
     if not CTX["disable_email"]:
         df = smtp.sendmail(
-            SETTINGS.get("pywwa_smtp", "smtp"), msg["From"], msg["To"], msg
+            SETTINGS.get("pywwa_smtp", "localhost"),
+            msg["From"],
+            msg["To"],
+            msg,
         )
         df.addErrback(LOG.error)
     else:
diff --git a/src/pywwa/workflows/nexrad3_attr.py b/src/pywwa/workflows/nexrad3_attr.py
index 95f2bf7a..2b60135d 100644
--- a/src/pywwa/workflows/nexrad3_attr.py
+++ b/src/pywwa/workflows/nexrad3_attr.py
@@ -33,15 +33,15 @@ def load_station_table(txn):
     LOG.info("Station Table size %s", len(ST.keys()))
 
 
-def process_data(data):
+def process_data(data: bytes) -> dict:
     """I am called when data is ahoy"""
     bio = BytesIO()
     bio.write(data)
     bio.seek(0)
-    process(bio)
+    return process(bio)
 
 
-def process(bio):
+def process(bio: BytesIO) -> dict:
     """Process our data, please"""
     l3 = Level3File(bio)
     ctx = {
@@ -57,7 +57,7 @@ def process(bio):
             if "text" in line:
                 ctx["lines"].append(line["text"])
     df = PGCONN.runInteraction(really_process, ctx)
-    df.addErrback(common.email_error, ctx)
+    df.addErrback(common.email_error, str(ctx))
     return ctx
 
 
diff --git a/src/pywwa/workflows/shef.py b/src/pywwa/workflows/shef.py
index e2cb9478..2851664a 100644
--- a/src/pywwa/workflows/shef.py
+++ b/src/pywwa/workflows/shef.py
@@ -16,6 +16,7 @@
 from pyiem.observation import Observation
 from pyiem.util import convert_value, utc
 from twisted.internet import reactor
+from twisted.internet.defer import Deferred
 from twisted.internet.task import LoopingCall, deferLater
 
 # Local
@@ -361,11 +362,13 @@ def insert_raw_inbound(cursor, args) -> int:
     return cursor.rowcount
 
 
-def update_current_queue(element: SHEFElement, product_id: str):
+def update_current_queue(
+    element: SHEFElement, product_id: str
+) -> Deferred | None:
     """Update CURRENT_QUEUE with new data."""
     # We only want observations
     if element.type != "R":
-        return
+        return None
     args = (
         element.station,
         element.valid,
@@ -385,7 +388,7 @@ def update_current_queue(element: SHEFElement, product_id: str):
         key, dict(valid=element.valid, value=element.num_value, dirty=True)
     )
     if element.valid < cur["valid"]:
-        return
+        return None
     cur["valid"] = element.valid
     cur["depth"] = element.depth
     cur["value"] = element.num_value
@@ -395,6 +398,8 @@ def update_current_queue(element: SHEFElement, product_id: str):
     cur["product_id"] = product_id
     cur["dirty"] = True
 
+    return defer
+
 
 def process_site_time(prod, sid, ts, elements: list[SHEFElement]):
     """Ingest for IEMAccess."""
@@ -532,7 +537,7 @@ def write_access_records_eb(err, records: list, iemid, entry: ACCESSDB_ENTRY):
     common.email_error(err, f"write_access_entry({entry.station}) got {err}")
 
 
-def process_data(text):
+def process_data(text: str):
     """Callback when text is received."""
     prod = parser(text, utcnow=common.utcnow(), ugc_provider={})
     if prod.warnings:
diff --git a/src/pywwa/workflows/sps.py b/src/pywwa/workflows/sps.py
index 54d9dc1b..6f8953c6 100644
--- a/src/pywwa/workflows/sps.py
+++ b/src/pywwa/workflows/sps.py
@@ -2,13 +2,11 @@
 
 from functools import partial
 
-# 3rd Party
 import click
 from pyiem.database import get_sqlalchemy_conn
 from pyiem.nws.products.sps import parser
 from pyiem.nws.ugc import UGCProvider
 
-# Local
 from pywwa import LOG, common
 from pywwa.database import get_database, load_nwsli
 from pywwa.ldm import bridge
diff --git a/src/pywwa/workflows/vtec.py b/src/pywwa/workflows/vtec.py
index 0f22f3e7..a127157e 100644
--- a/src/pywwa/workflows/vtec.py
+++ b/src/pywwa/workflows/vtec.py
@@ -13,14 +13,12 @@
 
 from functools import partial
 
-# 3rd Party
 import click
 from pyiem.database import get_sqlalchemy_conn
 from pyiem.nws.products.vtec import parser as vtecparser
 from pyiem.nws.ugc import UGCProvider
 from twisted.mail.smtp import SMTPSenderFactory
 
-# Local
 from pywwa import LOG, common
 from pywwa.database import get_database, load_nwsli
 from pywwa.ldm import bridge
diff --git a/src/pywwa/workflows/xteus.py b/src/pywwa/workflows/xteus.py
index 59d1dc1d..76543f78 100644
--- a/src/pywwa/workflows/xteus.py
+++ b/src/pywwa/workflows/xteus.py
@@ -1,16 +1,14 @@
 """XTEUS Product Parser!"""
 
-# 3rd Party
 import click
 from pyiem.nws.products.xteus import parser
 
-# Local
 from pywwa import common
 from pywwa.database import get_database
 from pywwa.ldm import bridge
 
 
-def process_data(txn, data):
+def process_data(txn, data: str):
     """Process the product"""
     prod = parser(data, utcnow=common.utcnow())
     if prod.warnings:
diff --git a/tests/test_common.py b/tests/test_common.py
index 6dce245d..c8c0247e 100644
--- a/tests/test_common.py
+++ b/tests/test_common.py
@@ -1,5 +1,6 @@
 """Test pywwa.common"""
 
+import pytest_twisted
 from pyiem.util import utc
 
 from pywwa import CTX, common
@@ -31,9 +32,10 @@ def test_should_email():
     assert not common.email_error(None, None)
 
 
+@pytest_twisted.inlineCallbacks
 def test_email_error():
     """Test that we can email an error."""
     common.EMAIL_TIMESTAMPS = []
-    common.email_error(None, None)
+    yield common.email_error(None, None)
     CTX["disable_email"] = True
-    common.email_error(None, None)
+    yield common.email_error(None, None)
diff --git a/tests/workflows/test_dsm_parser.py b/tests/workflows/test_dsm_parser.py
index e27da3fc..b7fda187 100644
--- a/tests/workflows/test_dsm_parser.py
+++ b/tests/workflows/test_dsm_parser.py
@@ -15,8 +15,8 @@ def test_load_stations(cursor):
     """Test station loading."""
     # Need to set one station to a bad tzname to exercise an exception
     cursor.execute(
-        "UPDATE stations SET tzname = 'BoG0S' where id = 'MSP' and "
-        "network = 'MN_ASOS'"
+        "UPDATE stations SET tzname = 'BoG0S' where id = 'DSM' and "
+        "network = 'IA_ASOS'"
     )
     assert cursor.rowcount == 1
     dsm.load_stations(cursor)
diff --git a/tests/workflows/test_nexrad3_attr.py b/tests/workflows/test_nexrad3_attr.py
index e8e75dce..8cf939ae 100644
--- a/tests/workflows/test_nexrad3_attr.py
+++ b/tests/workflows/test_nexrad3_attr.py
@@ -1,11 +1,8 @@
 """Test nexrad3_attr."""
 
-# 3rd Party
 import pytest
 
 from pywwa.testing import get_example_filepath
-
-# Local
 from pywwa.workflows import nexrad3_attr
 
 
@@ -29,7 +26,7 @@ def test_process(cursor):
 def test_210910_badvil(cursor):
     """Test that a missing VIL does not cause issues."""
     with open(get_example_filepath("NCR_20210911_0023"), "rb") as fh:
-        ctx = nexrad3_attr.process(fh)
+        ctx = nexrad3_attr.process_data(fh.read())
     assert ctx["nexrad"] == "LAS"
     processed = nexrad3_attr.really_process(cursor, ctx)
     assert processed == 2
diff --git a/tests/workflows/test_shef_parser.py b/tests/workflows/test_shef_parser.py
index 8fbb7d08..048e07d5 100644
--- a/tests/workflows/test_shef_parser.py
+++ b/tests/workflows/test_shef_parser.py
@@ -1,18 +1,15 @@
 """Test shef_parser."""
 
 import datetime
-from functools import partial
-
-# 3rd Party
-# pylint: disable=no-member-in-module
 from unittest import mock
 from zoneinfo import ZoneInfo
 
 import pytest
-
-# Local
+import pytest_twisted
 from psycopg.errors import DeadlockDetected
 from pyiem.util import utc
+from twisted.internet import reactor
+from twisted.internet.task import deferLater
 from twisted.python.failure import Failure
 
 from pywwa import CTX, SETTINGS
@@ -51,6 +48,62 @@ def sync_workflow(prod, cursor):
     shef.process_accessdb_frontend()
 
 
+@pytest_twisted.inlineCallbacks
+def test_gh316_rr3_correction():
+    """Test that a RR3 Correction properly happens?"""
+
+    def _delete_raw_inbound(txn):
+        """Delete any prior data."""
+        txn.execute("delete from raw_inbound where station = 'LCHM5'")
+        return txn.rowcount
+
+    def _check_entry(txn):
+        txn.execute(
+            "select value from raw_inbound where station = 'LCHM5' and "
+            "key = 'SWIRZZZ' order by updated desc"
+        )
+        return txn.fetchall()
+
+    def _check_access_entry(txn):
+        txn.execute(
+            "select value from current_shef where station = 'LCHM5' and "
+            "physical_code = 'SW'"
+        )
+        return txn.fetchall()
+
+    result = yield CTX["HADSDB"].runInteraction(_delete_raw_inbound)
+    print(result)
+
+    CTX["utcnow"] = utc(2026, 2, 3, 16)
+    shef.process_data(get_example_file("SHEF/RR3MPX_1.txt"))
+    shef.process_data(get_example_file("SHEF/RR3MPX_2.txt"))
+    # Update iemaccess current_shef
+    updated = yield shef.save_current()
+    assert updated == 7
+    # Check 0: Ensure the HADSDB queue is done
+    attempt = 0
+    for db in ["HADSDB", "ACCESSDB"]:
+        while CTX[db].threadpool._queue.qsize() > 0:
+            attempt += 1
+            print(f"Waiting for {db} queue to drain...")
+            yield deferLater(reactor, 0.1, lambda: None)
+            if attempt > 30:
+                pytest.fail(f"{db} queue did not drain in time")
+
+    # The runOperation is touchy with the upsert that happens, lame
+    yield deferLater(reactor, 1, lambda: None)
+
+    # Check 1: see that current_shef is good
+    result = yield CTX["ACCESSDB"].runInteraction(_check_access_entry)
+    assert result[0]["value"] is None
+    # Check 2: Ensure the value in the current_queue is None
+    assert shef.CURRENT_QUEUE["LCHM5|SWIRZZZ|None"]["value"] is None
+    # Check 3: Check what is in raw_inbound
+    result = yield CTX["HADSDB"].runInteraction(_check_entry)
+    assert len(result) == 2
+    assert result[0]["value"] is None
+
+
 def test_accessdb_exception():
     """Test some GIGO raises an exception."""
     shef.ACCESSDB_QUEUE[-99] = 0
@@ -171,11 +224,12 @@ def test_230926_rr8krf(cursor):
         shef.insert_raw_inbound(cursor, args)
 
 
+@pytest_twisted.inlineCallbacks
 def test_bad_element_in_current_queue():
     """Test GIGO on current_queue."""
     shef.CURRENT_QUEUE.clear()
     shef.CURRENT_QUEUE["HI|BYE|HI"] = {"dirty": True}
-    shef.save_current()
+    yield shef.save_current()
 
 
 @pytest.mark.parametrize("database", ["iem"])
@@ -217,10 +271,6 @@ def test_omit_report(cursor):
     assert row["max_tmpf"] == 84
     assert row["report"] == ans
 
-    CTX["ACCESSDB"].runOperation = partial(run_interaction, cursor)
-    assert shef.save_current() == 7
-    assert shef.save_current() == 0
-
 
 def test_process_site_eb():
     """Test that the errorback works without any side effects."""
diff --git a/tests/workflows/test_sps.py b/tests/workflows/test_sps.py
new file mode 100644
index 00000000..ac48d4b0
--- /dev/null
+++ b/tests/workflows/test_sps.py
@@ -0,0 +1,13 @@
+"""Exercise the sps workflow."""
+
+import pytest
+
+from pywwa.testing import get_example_file
+from pywwa.workflows import sps
+
+
+@pytest.mark.parametrize("database", ["postgis"])
+def test_real_process(cursor):
+    """Can we process a real SPS product?"""
+    data = get_example_file("SPS.txt")
+    sps.real_process({}, cursor, data)