我在嘗試使用 Google 的 SMTP 服務器時收到以下錯誤。535 5.7.8 Username and Password not accepted. Learn more at 5.7.8 https://support.google.com/mail/?p=BadCredentials fa15sm2375541pjb.40 - gsmtp這是我的代碼：// Sender data. from := req.FormValue("email") //password := "xxxx" //<- log in password fails password := "xxxx" // <- app password fails // Receiver email address. to := []string{ "[email protected]", } // smtp server configuration. smtpHost := "smtp.gmail.com" smtpPort := "587" msg := req.FormValue("name") + "\n" + req.FormValue("message") message := []byte(msg) auth := smtp.PlainAuth("", from, password, smtpHost) err := smtp.SendMail(smtpHost+":"+smtpPort, auth, from, to, message) if err != nil { tmp.Message = "Message not sent: " + err.Error() htmlTags["contact"] = tmp err = tmpl.ExecuteTemplate(w, "send_failure", htmlTags["contact"]) } else { tmp.Message = "Message sent" htmlTags["contact"] = tmp err = tmpl.ExecuteTemplate(w, "send_success", htmlTags["contact"]) }} else { tmp.Message = "You message has not been sent. Cookies are required to send messages." htmlTags["contact"] = tmp err = tmpl.ExecuteTemplate(w, "send_failure", htmlTags["contact"])}該帳戶已啟用2FA并使用應用密碼。允許安全性較低的應用：開發送代碼還存在于具有自簽名證書的服務器上，并給出以下錯誤：Certificate - missingThis site is missing a valid, trusted certificate (net::ERR_CERT_AUTHORITY_INVALID).
1 回答
呼喚遠方
TA貢獻1856條經驗 獲得超11個贊
如果您的用戶名和密碼正確無誤，這些是從任何客戶端使Gmail正常工作的步驟。
# Visit https://accounts.google.com
#
# 1. Click on [Security] menu
# 2. Scroll to section [Less secure app access] and set it to ON
# 3. Scroll to section [Signing in to Google] and set [Use your phone to sign in] to OFF
# 4. Scroll to section [Signing in to Google] and set [2-step Verification] to OFF
現在，要發送一個簡單的文本/純電子郵件示例：
To: "Jane Doe" <[email protected]>
From: "John Doe" <[email protected]>
Subject: A text/plain email
MIME-Version: 1.0 (Created with SublimeText 3)
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: 7bit
Good morning.
This is a message in text/plain format.
It contains text/plain.
It contains no base64 inline images or attachments.
Each line is no more than 76 characters in length.
Please reach out if you have any questions.
Thank you,
John Doe
SENIOR DEVELOPER
XYZ Solutions Inc.
P | 999.555.1234
然后，您可以使用 CURL 發送它：
# GMAIL TEST - text-plain.eml
curl --verbose -ssl smtps://smtp.gmail.com:465 --login-options AUTH=PLAIN --user [email protected]:passwword123 --mail-from [email protected] --mail-rcpt [email protected] --mail-rcpt-allowfails --upload-file text-plain.eml
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