diff --git a/internal/dump/dump.go b/internal/dump/dump.go
index 3a084bc..bbf9539 100644
--- a/internal/dump/dump.go
+++ b/internal/dump/dump.go
@@ -130,27 +130,27 @@ func saveMessages() error {
 			res, err := http.Get(base + "api/v1/message/" + m.ID + "/raw")
 
 			if err != nil {
-				logger.Log().Errorf("Error fetching message %s: %s", m.ID, err.Error())
+				logger.Log().Errorf("error fetching message %s: %s", m.ID, err.Error())
 				continue
 			}
 
 			b, err = io.ReadAll(res.Body)
 
 			if err != nil {
-				logger.Log().Errorf("Error fetching message %s: %s", m.ID, err.Error())
+				logger.Log().Errorf("error fetching message %s: %s", m.ID, err.Error())
 				continue
 			}
 		} else {
 			var err error
 			b, err = storage.GetMessageRaw(m.ID)
 			if err != nil {
-				logger.Log().Errorf("Error fetching message %s: %s", m.ID, err.Error())
+				logger.Log().Errorf("error fetching message %s: %s", m.ID, err.Error())
 				continue
 			}
 		}
 
 		if err := os.WriteFile(out, b, 0644); /* #nosec */ err != nil {
-			logger.Log().Errorf("Error writing message %s: %s", m.ID, err.Error())
+			logger.Log().Errorf("error writing message %s: %s", m.ID, err.Error())
 			continue
 		}
 
diff --git a/internal/smtpd/forward.go b/internal/smtpd/forward.go
index 050bd21..e4ec31c 100644
--- a/internal/smtpd/forward.go
+++ b/internal/smtpd/forward.go
@@ -32,7 +32,7 @@ func createForwardingSMTPClient(config config.SMTPForwardConfigStruct, addr stri
 
 		conn, err := tls.Dial("tcp", addr, tlsConf)
 		if err != nil {
-			return nil, fmt.Errorf("TLS Dial error: %v", err)
+			return nil, fmt.Errorf("TLS dial error: %v", err)
 		}
 
 		client, err := smtp.NewClient(conn, tlsConf.ServerName)
diff --git a/internal/smtpd/relay.go b/internal/smtpd/relay.go
index aa0e684..d1c979d 100644
--- a/internal/smtpd/relay.go
+++ b/internal/smtpd/relay.go
@@ -66,7 +66,7 @@ func createRelaySMTPClient(config config.SMTPRelayConfigStruct, addr string) (*s
 
 		conn, err := tls.Dial("tcp", addr, tlsConf)
 		if err != nil {
-			return nil, fmt.Errorf("TLS Dial error: %v", err)
+			return nil, fmt.Errorf("TLS dial error: %v", err)
 		}
 
 		client, err := smtp.NewClient(conn, tlsConf.ServerName)