mass-emails

问题 I have some questions about ActionMailer : How does Actionmailer connect to a smtp server ? Are the connections concurrent or parallel if the number of emails high > 1000 ? How will sending out emails like facebook does ( 1000's in numbers ) as immediate emails affect the ruby on rails application and how would actionmailer handle it ? Any other solution/plugin to send out large number emails from a RoR application apart ActionMailer? ------------------------------------------------added : We

问题 I have some questions about ActionMailer : How does Actionmailer connect to a smtp server ? Are the connections concurrent or parallel if the number of emails high > 1000 ? How will sending out emails like facebook does ( 1000's in numbers ) as immediate emails affect the ruby on rails application and how would actionmailer handle it ? Any other solution/plugin to send out large number emails from a RoR application apart ActionMailer? ------------------------------------------------added : We

问题 I need to send multiple emails to many users in my application using Spring Batch. I am new to Spring Batch. Need some pointers for it. 回答1: This Question is way to vague, so my answer will also have to be very vague. Spring Batch is based on Spring, so you can just use Spring's Email Support, read the corresponding section from the reference manual In Spring Batch, there are different places where you can register listeners, e.g. Jobs Steps Chunks Each of these listeners can be a custom

问题 Hi I'm basically executing a query which returns x amount of emails that exist on a specific day and I want to send an email to all of these emails using sendgrid's api here is my code - I am running into alot of errors listed below could anyone shed some light? [code] **#r "System.Data" #r "SendGrid" using System; using System.Data; using SendGrid.Helpers.Mail; using System.Data.SqlClient; using System.Text.RegularExpressions; using Microsoft.SqlServer.Server; using SendGrid; private

问题 I have written a method for sending emails in bulk but it is very very slow (around 3 mails every 10 seconds). I want to send thousands of mails. Is there any way to do this much more faster? I am using gmail now but only for test, finally I want to send using my own SMTP server. Here is the code: public boolean sendMessages() { try { Session session = Session.getInstance(this._properties, new javax.mail.Authenticator() { @Override protected PasswordAuthentication getPasswordAuthentication()