Do busy smtp servers use long running tcp connections to exchange lot of mails?

Posted by iamrohitbanga on Server Fault See other posts from Server Fault or by iamrohitbanga
Published on 2010-05-12T04:28:26Z Indexed on 2010/05/12 4:44 UTC
Read the original article Hit count: 201

Filed under:

mail

|

smtp

|

tcp

I had this idea from http://stackoverflow.com/questions/2813326/maximum-number-of-bytes-that-can-be-sent-on-a-tcp-connection

is it possible that smtp servers like gmail and yahoo enter into some form of agreement to maintain a tcp connection between them so that lots of mails could be sent on the same tcp connection.

it would be efficient as there would be heavy mail traffic between these mail servers.

© Server Fault or respective owner

Related posts about mail

JavaMail not sending Subject or From under jetty:run-war

as seen on Stack Overflow - Search for 'Stack Overflow'
Has anyone seen JavaMail not sending proper MimeMessages to an SMTP server, depending on how the JVM in started? At the end of the day, I can't send JavaMail SMTP messages with Subject: or From: fields, and it appears other headers are missing, only when running the app as a war. The web project… >>> More
mail merge e-mail in Word 2007 with attachment

as seen on Super User - Search for 'Super User'
Is there a simple way to mail merge with Word 2007 and add an attachment? I've searched google, and all results point to pasting in VB code. I want to a small team of novice users to be able to mail merge e-mails and add attachments. Does anyone know a simple way of doing this without code? >>> More
Host name or Domain not found

as seen on Server Fault - Search for 'Server Fault'
Hi I have installed amavis + postfix + spamassassin on centOS 5.4. The "/etc/hosts" file contains: 127.0.0.1 localhost.localdomain localhost ::1 localhost6.localdomain6 localhost6 67.215.65.132 mail.sufalamtech.local mail When I am sending mail then, the following… >>> More
Couldn't drop privileges: User is missing UID (see mail_uid setting)

as seen on Server Fault - Search for 'Server Fault'
I'm hoping I can use some help. I'm configuring dovecot_ldap, but I can't seem to be able to get dovecot to authenticate the ldap user. Below is my config and log info: hosts = 192.168.128.45:3268 dn = cn=Administrator,cn=Users,dc=company,dc=example,dc=com dnpass = "passwd" auth_bind = yes ldap_version… >>> More
How can I setup dependencies for Axis2 / Axiom on Maven2

as seen on Stack Overflow - Search for 'Stack Overflow'
I've tried the following settings on pom.xml to use Axis2 wsdl2code: <dependencies> <dependency> <groupId>org.apache.axis2</groupId> <artifactId>axis2</artifactId> <version>1.5.1</version> </dependency> </dependencies> ... <build> … >>> More

Related posts about smtp

JavaMail not sending Subject or From under jetty:run-war

as seen on Stack Overflow - Search for 'Stack Overflow'
Has anyone seen JavaMail not sending proper MimeMessages to an SMTP server, depending on how the JVM in started? At the end of the day, I can't send JavaMail SMTP messages with Subject: or From: fields, and it appears other headers are missing, only when running the app as a war. The web project… >>> More
Gmail smtp, Blackberry, BB, socketConnection, send email via gmail smtp programmatically

as seen on Stack Overflow - Search for 'Stack Overflow'
Hello! Somebody can help me how can i use the gmail smtp server programmatically via socketConnection. My question is how i can write write a TSL/SSL authentication because i can`t communicate with the server?? Somebody did it from java on blackberry ? Thank You Alex >>> More
How to resovle javax.mail.AuthenticationFailedException issue?

as seen on Stack Overflow - Search for 'Stack Overflow'
Hi, I am doing a sendMail Servlet with JavaMail. I have javax.mail.AuthenticationFailedException on my output. Can anyone please help me out? Thanks. sendMailServlet code: try { String host = "smtp.gmail.com"; String from = "[email protected]"; String pass = "pass"; Properties… >>> More
Debugging Messaging Exception

as seen on Stack Overflow - Search for 'Stack Overflow'
We have a batch program that incorporates JavaMail 1.2 that sends emails. In our development environment, we haven't got the chance to encounter the above mentioned exception. But in the client's environment, they had experienced this a lot of times with the following error trace: javax.mail.MessagingException:… >>> More
Postfix Submission port issue

as seen on Server Fault - Search for 'Server Fault'
I have setup postfix+mailman on my debian server and i have an issue with postfix submission port. My ISP blocks SMTP on port 25 to prevent *spams and i must to use submission port (587). I have uncomment the following line from master.cf (/etc/postfix/) but nothing happens. submission inet… >>> More