SMTP Errors

SMTP Error 501 5.5.2 RCPT TO syntax error

Hi, I received this error "SMTP Protocol Returned a Permanent Error 501 5.5.2 RCPT TO syntax error" when I send a message to specific group address. I dont know how will I address this issue because I used to send email to this group before but only now I received such error. I haven't made any...

Exchange 2003 user can't receive external e-mails

Some new created users cannot receive e-mail from outside. smtp;550 5.1.1 : Recipient address rejected: User unknown in relay recipient table Software/Hardware used: Exchange 2003

Windows 2003 SMTP Server error

I am trying to set up outlook 2007 and use the email interface in Windows server 2003. I have set up SMTP and Pop3 but when i try to test the account I can receive emails but not send them. They show undeliverable. I beleive I have set up the SMTP service correctly. Anyone know how to start.  ...

Unable to send mail outside the Intranet

There was a SMTP communication problem with the recipient's email server. Please contact your system administrator. <mail-server.majcsc.gov #5.5.0 smtp;550 OU-001 Mail rejected by Windows Live Hotmail for policy reasons. Reasons for rejection may be related to content with spam-like...

Outgoing SMTP server internal error 0x800CCC6c

Popping up often is an error message as follows: Task 'mail.charter.net-sening' reported error (0x800CCC6c) outgoing SMTP server internal error. Contact service provider. Service responded 452. 4.1.0. Try again later E32210. The service provider tells me this is an Outlook problem. I cannot...

SMTP protocol error occurred

HI, We have a problem with our external mails.Frequently our external mails we stuck in queue and it will not connected to the remote servers.It gives "SMTP protocol error occured"in the additional information for the queue. Once we restart our exchange server then the mails in the...

can't send email to external email accounts, we receive errors SMTP errors 550 #5.7.1.

We just added an encryption router to our domain. We have change our MX record with the web hosting company. Now I can't send email to external email accounts, we receive errors SMTP errors 550 #5.7.1. Is there something else I need to do at my location or do I need to have my Big Brother company...