Larry Brouwer

... just my personal technology sandbox

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Troubleshooting SmarterMail incoming SMTP requests

May 12, 2010 By Larry Brouwer Leave a Comment

Today, I discovered that SmarterMail isn’t receiving emails from other hosts outside my local network. I first logged on to SmarterMail as admin. Nothing apparently wrong with the mail system. I next opened up a Command Prompt and tried to telnet to mail.larrybrouwer.com 25 and it worked fine. Next, I logged on to a remote server and again attempted to telnet to the smtp service. This time, nothing happened.

My thoughts then turned to firewall issues. So I checked to make sure that the firewall wasn’t blocking port 25. It isn’t, but just to make sure, I disabled the firewall and again tried to telnet into the email server on port 25. I’m still not able to log in.

I next suspected my D-Link DIR-655 router as the problem. I logged into the router and checked the Virtual Server settings. The the router settings look fine. I then remapped port 25 to port 80 just to see if I can get through to the web server. Re-mapping didn’t work. Now I’m really puzzled.

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Filed Under: Daily Log Tagged With: Comcast, Port 25, SmarterMail, SMTP

Fixing SqlServer Database Mail for HCMGA

April 28, 2010 By Larry Brouwer Leave a Comment

I got a call this morning that Master Gardener’s system is not sending emails. So now I’m in troubleshooting mode. I first logged onto the server and checked the Simple Mail Transfer Protocol (SMTP) service. It’s running. I then went into the application and sent out a test message. Did not receive it. I then went into SqlServer Management Studio (SSMS) and logged into prod. Clicked on Management. Then right clicked Database Mail and selected Send Test E-Mail. I sent a test email out from there. I did not receive the email. I then right-clicked and selected View Database Mail Log. There are many errors being displayed. The error message follows:

Message
The mail could not be sent to the recipients because of the mail server failure. (Sending Mail using Account 20 (2010-04-28T09:37:27). Exception Message: Cannot send mails to mail server. (Mailbox unavailable. The server response was: 5.7.1 Unable to relay for [email recipient]).)

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Filed Under: Daily Log Tagged With: AWStats, Database Mail, SMTP, SqlServer, SSMS, WordPress

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