Tag | SMTP Posts

We all get those requests where there is a certain service that requires to send mails by using your company email server. Whilst an open relay is generally a way to get your domain blacklisted forever, allowing an internal relay is usually a necessity. By default Exchange is setup to deny relaying from any IP address, including your internal network. In this section I will show you how to allow relaying from your internal network. Exchange 2003: 1. Open the Exchange system manager 2. Expand the ...
The topic covered in this post actually have applicability beyond Lotus Notes, but that is just where I ran into the problem. The real subject is adding credentials to your SMTP client. Normally I would just make sure that the service sending the email has permission to send email to an Exchange server. The problem I had to send the email through Lotus and it wanted a separate login from the identity running the program. The only error message I got back when I originally wrote the code without specifying ...
When you get an email from a yahoo group list, for example, it might say it was sent from yourgroup@yahoogroups.com on behalf of the person who actually sent it. Both addresses will be included in the message. This is done in SMTP with the SENDER header. If the Sender header is present, the email client should identify the mail as being "from" the sender you specify in the SENDER header (they are "the responsible mail submitter"), on behalf of the from-address that you specify in the FROM header. ...
A couple weeks ago, I blogged about Sprint blocking my SMTP server from sending text messages to my cell phone from Where's Tim. After I changed the code to send messages people send me through a different mail server, it worked fine for a week or two. I noticed last week that they were not coming through again and sure enough, they blocked me again. I apologize to anybody that has sent me a text message on Where's Tim and I haven't replied. I still kind of get the messages via the RSS feed, but ...