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  • 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...

    Patrickdcruze5 pointsBadges:
  • 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 don't 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...

    jhamn750 pointsBadges:
  • 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 queue will be...

    Exchstart220 pointsBadges:
  • 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

    ITKE352,420 pointsBadges:
  • What is a Reason for Outgoing TCP Connections to Port 25 (SMTP) From Random TCP Ports on a PC with no Email Client Running?

    What is a Reson for Outgoing Tcp Connections to Port 25 (SMTP) From Random Tcp Ports on a Pc with no Emamil Client Running? The IP addresses that it was trying to reach resolved to yahoo and aol webmail mx servers. I am trying to track down a spam virus in a network, is this sysmptoms of the virus.

    RockAmadeus5 pointsBadges:
  • There was a SMTP communication problem with the recipient’s email server

    There was a SMTP communication problem with the recipient's email server

    Swahid40 pointsBadges:
  • IIS 6 SMTP server not sending emails

    Our SMTP server is not sending the . to let the receiving server know it is the end of the email. Both servers are timing out because it doesnt know its the end of the email. We are using outlook 2003 with IIS 6

    ITKE352,420 pointsBadges:
  • 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. 

    ITKE352,420 pointsBadges:
  • 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 get...

    Navyman5 pointsBadges:
  • 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...

    ITKE352,420 pointsBadges:
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