FYI, the problem was fixed with a patch on my firewall......thanks for the replies though.....
Thank You, Robert Williams Senior Network Administrator Raypak, Inc. [EMAIL PROTECTED] Phone - 805-278-5363 -----Original Message----- From: Tony Hlabse [mailto:thlabse@;hotmail.com] Sent: Monday, October 21, 2002 12:06 PM To: Exchange Discussions Subject: Re: Need help with "550 5.7.1 Bad recipient format -- possible re lay attempt" error Well like most Firewalls they lock everything and you have to punch holes in it. Relaying should be allowed to those that successfully Authenticate. Check your setting for same. ----- Original Message ----- From: "Robert Williams" <[EMAIL PROTECTED]> To: "Exchange Discussions" <[EMAIL PROTECTED]> Sent: Monday, October 21, 2002 1:38 PM Subject: RE: Need help with "550 5.7.1 Bad recipient format -- possible re lay attempt" error > I am running 5.5 SP4 and I have ESMTP turned on, I was wondering about > the other settings noted below > > -----Original Message----- > From: Tony Hlabse [mailto:thlabse@;hotmail.com] > Sent: Monday, October 21, 2002 11:36 AM > To: Exchange Discussions > Subject: Re: Need help with "550 5.7.1 Bad recipient format -- > possible relay attempt" error > > > If your running Exchange 2000 and I assuming this, you need the > Firewall Software/Hardware to allow ESMTP protocol traffic for > Messaging to flow. > > ----- Original Message ----- > From: "Robert Williams" <[EMAIL PROTECTED]> > To: "Exchange Discussions" <[EMAIL PROTECTED]> > Sent: Monday, October 21, 2002 1:32 PM > Subject: Need help with "550 5.7.1 Bad recipient format -- possible > relay attempt" error > > > > Can anyone tell me what to do here? > > I just installed a Symantec Velociraptor firewall. > > > > Here is the message my firewall is showing, (I removed the original > > email addresses to protect the innocent) > > > > smtpd Warning: Sender <[EMAIL PROTECTED]> SIZE=2844 from > > [207.114.164.37] tried to send to '<[EMAIL PROTECTED]> > > NOTIFY=FAILURE,DELAY ORCPT=rfc822;<[EMAIL PROTECTED]>' - 550 > > 5.7.1 Bad recipient format -- possible relay attempt > > > > > > In my smpt protocol settings on the firewall I have the following > > choices: of which only ESMTP is checked: > > > > > > Enable ESMTP - Provides access to the Extended Simple Mail Transfer > > Protocol. ESMTP is enabled by default. When it is enabled, the > > other service extensions on this tab can be enabled. > > > > Enable AUTH (Authentication) - Allows client to send user name and > password > > to authenticate with the server. Authentication is enabled by > > default. > > > > Note: SEF/SEVPN does not support authentication mechanisms that > > result in the connection being encrypted. > > > > Enable ATRN (Authenticated turn) - Allows an on-demand mail relay > > from the server to the client by turning the existing connection > > around. ATRN is disabled by default. > > > > Enable ETRN (Extended turn- Allows the client to access mail. In > > this > case, > > the server is requested to initiate a separate connection to the > > client > for > > the purpose of mail relay from server to the client. ETRN is > > disabled by default. > > > > Enable EXPN (Expansion) - Allows for the expansion of mailing lists. > > EXPN > is > > disabled by default. > > > > Caution: Enabling this option exposes information about your > > internal network to untrusted sites and is therefore not > > recommended. > > > > Enable VRFY (Verify) - Allows verification of mail addresses. VRFY > > is disabled by default. > > > > Caution: Enabling this option exposes information about your > > internal network to untrusted sites and is therefore not > > recommended. > > > > > > Should I have any other of these options checked to allow these > > emails to pass thru? > > > > > > _________________________________________________________________ > > List posting FAQ: http://www.swinc.com/resource/exch_faq.htm > > Archives: http://www.swynk.com/sitesearch/search.asp > > To unsubscribe: mailto:leave-exchange@;ls.swynk.com > > Exchange List admin: [EMAIL PROTECTED] > > > > _________________________________________________________________ > List posting FAQ: http://www.swinc.com/resource/exch_faq.htm > Archives: http://www.swynk.com/sitesearch/search.asp > To unsubscribe: mailto:leave-exchange@;ls.swynk.com > Exchange List admin: [EMAIL PROTECTED] > > _________________________________________________________________ > List posting FAQ: http://www.swinc.com/resource/exch_faq.htm > Archives: http://www.swynk.com/sitesearch/search.asp > To unsubscribe: mailto:leave-exchange@;ls.swynk.com > Exchange List admin: [EMAIL PROTECTED] > _________________________________________________________________ List posting FAQ: http://www.swinc.com/resource/exch_faq.htm Archives: http://www.swynk.com/sitesearch/search.asp To unsubscribe: mailto:leave-exchange@;ls.swynk.com Exchange List admin: [EMAIL PROTECTED] _________________________________________________________________ List posting FAQ: http://www.swinc.com/resource/exch_faq.htm Archives: http://www.swynk.com/sitesearch/search.asp To unsubscribe: mailto:leave-exchange@;ls.swynk.com Exchange List admin: [EMAIL PROTECTED]
