smtp

问题 Debug HTTP is easy, you have all sort of tools to do it (like Fiddler). What about SMTP? How to Debug SMTP Communications? My target system is Windows. Suggested tools: Ethereal tcpdump Microsoft Network Monitor 回答1: Try Ethereal - its a free network protocol analyzer. The SMTP protocol is all ascii, so once you see whats inside the TCP connection, you should be good to go. It will take a bit of work learning how to use Ethereal. 回答2: For the two people who responded with Ethereal: We renamed

问题 public void EmailSending() { MailMessage mail = new MailMessage(); mail.From = new MailAddress("xxx@gmail.com"); mail.To.Add("xxx@gmail.com"); mail.Subject = "Test Mail"; mail.Body = "This is for testing SMTP mail from GMAIL"; SmtpClient smtpServer = new SmtpClient("smtp.gmail.com"); smtpServer.Port = 587; smtpServer.Credentials = new System.Net.NetworkCredential("xxx@gmail.com", "pw") as ICredentialsByHost; smtpServer.EnableSsl = true; ServicePointManager.ServerCertificateValidationCallback

问题 public static bool SendMail(string toList, string from, string ccList, string subject, string body) { MailMessage message = new MailMessage(); SmtpClient smtpClient = new SmtpClient(); try { MailAddress fromAddress = new MailAddress(from); message.From = fromAddress; message.To.Add(toList); if (ccList != null && ccList != string.Empty) message.CC.Add(ccList); message.Subject = subject; message.IsBodyHtml = true; message.Body = body; smtpClient.DeliveryMethod = SmtpDeliveryMethod.Network;

问题 I'm trying to send email through C#. Although I beleive I've done everything right, it still throws this exception : "The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.5.1 Authentication Required. Learn more at" At first I thought, it could be a zone/ip/region problem... But when i logged into gmail, there wasn't any warning of that. And to be sure, i've uploaded a file to a website to check from there, still the error was thrown.

问题 I tried to write a simple mail program. I used node mailer and SMTP protocol module. I executed. But it shows an error like: self signed certificate in certificate chain error in mail what is the problem? var express = require('express'); var app=express(); var nodemailer = require('nodemailer'); var smtpTransport = require('nodemailer-smtp-transport'); app.get('/nodemail', function(req, res, next) { var transporter = nodemailer.createTransport(smtpTransport({ service: 'Gmail', host: 'smtp

问题 I have mu4e smtp setup with the default mu4e mail sending function. I tried nullmailer but I didn't manage to configure it to work from mu4e. I was following this tutorial for nailmailer, and this one for the default setup. I was trying with and without a code that's recommended for gmail (my account is not gmail) because of the way gmail saves the sent items , in order to avoid duplicates (see here for mu4e user manual): ;; don't save messages to Sent Messages, Gmail/IMAP takes care of this

问题 I'm using PHPMailer to generate mails in PHP (PHP Version 5.3.7). But I have tried it again and again, but PHPMailer doesn't work with the settings from my provider but with my gmail account. My settings: SMTP = true SMTPAuth = true CharSet = UTF-8 SethSecure = "" Host = smtp.strato.de User = myemail Password = ********** port = 587 But PHPMailer returns the following messages (in debug mode): SMTP -> ERROR: Failed to connect to server: php_network_getaddresses: getaddrinfo failed: node name

问题 I have a server that runs on apache, and I am sending emails from that server. I want to set the number of recipients that each outgoing email can send to. I am following this tutorial and this manual - it seems to be as easy as adding smtpd_recipient_limit=2 to master.cf like below, reloading postfix, and running a test with 3 recipients. Each recipients still get email, with no error messages in /var/log/syslog file below. What is missing? # See /usr/share/postfix/main.cf.dist for a

问题 connect-to-exchange-mailbox-with-python/3072491....I have refereed the following link to connect to Exchange Online and download attachments and read mails on windows(using Python and exchangelib library). Now I want to accomplish the same task on CentOS but when I manually download the exchangelib library and install it. Whenever I try to import exchangelib, it throws an error like: Traceback (most recent call last): File "<stdin>", line 1, in <module> File "exchangelib/__init__.py", line 2,

问题 Newbie to Azure, but got my application successfully published to the cloud as well as my needed database backends (SQL server). Everything within the application is working as expected except email functionality. I am sending out email alerts via a gmail account, but they do not appear to get sent out. The application does not crash and trying to configure remote debugging has proven difficult. This is the snippet I am using to send out my emails: //Parse html document which will show in