重构

internal/util/mail/errs.go

@@ -0,0 +1,28 @@
+/*
+Copyright 2026 Arctel.net
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package mail
+
+const (
+	errDialTLSFailed            = "dial tls failed: %w"
+	errSMTPClientCreationFailed = "smtp client creation failed: %w"
+	errSMTPAuthFailed           = "smtp auth failed: %w"
+	errSMTPMailCommandFailed    = "smtp mail command failed: %w"
+	errSMTPRcptCommandFailed    = "smtp rcpt command failed: %w"
+	errSMTPDataCommandFailed    = "smtp data command failed: %w"
+	errSMTPWritingBodyFailed    = "smtp writing body failed: %w"
+	errSendMailFailed           = "send mail failed: %w"
+)