January 30th, 2010, 07:40 AM
Unable to deliver message due to being unable to connect
OS: Windows Server 2008
SMTP Server IIS 6
One of the applications on this server is sending e-mails to users.
With one exception all users get the e-mails as expected.
For that exception user we get from the server’s postmaster a Delivery Status Notification (Failure): “Unable to deliver message to the following recipients, due to being unable to connect successfully to the destination mail server <e-mail address>”. Trying with other e-mail addresses from the same domain we get the same result.
What is the cause of this behaviour and what should we do?
January 31st, 2010, 03:00 AM
Have the recipient domain check their dns settings, specifically the MX record, and also verify their mail server is running.
Bartender to Rene Descartes "have another beer?" Descartes: "I think not" and he vanished.
January 31st, 2010, 03:47 AM
Thanks, we also suspect that the problem is at the recipient's server. However e-mails sent to that domain by other senders are well received.
Originally Posted by Doug G
Last edited by anadin; January 31st, 2010 at 03:50 AM.
January 31st, 2010, 02:16 PM
Fatal error:1048 Column 'from_id' cannot be null
I'm a newbie and hope to find the help I desperately need . When I send an internal email and select to be notified when recipient opens the message, the recipient would get the following error when attempting to open the mail;....
Fatal error: 1048 Column 'from_id' cannot be null in /home/wwwthab/public_html/common/classes/class_MailHandler.lib.php on line 351
I looked on line 351 and this it's what I found;.... trigger_error($this->dbObj->ErrorNo().' '.$this->dbObj->ErrorMsg(), E_USER_ERROR);
I would like to know what would be the exact way to correct this error. I have never worked on this before and would appreciate your assistance and guidance.
I do have a second question. I'm working on a social network and would like to know what would be best way to go for a mail service, the hosting company server or google api? I'm equally interested in performance as in security....Thank you.