Quoted RCPT TO Relaying Causes Server to be Blacklisted

Document ID: 10402

Synopsis

Some customers may find their servers blacklisted due to 'Quoted RCPT TO' relaying.

More Information

Quoted RCPT TO Relaying Causes Server to be Blacklisted Some customers may find their servers blacklisted due to 'Quoted RCPT TO' relaying. This occurs when a catchall mailbox is present. SMTPRA will accept mail for addresses in the format of: "user@remotedomain.com"@domain_with_catchall.com Where: "user@remotedomain.com" is some remote email address @Domain_with_catchall.com is the domain where the catchall account is present. If the catchall exists in the default domain, it will act as a catchall for all domains. This issue has been addressed in MailSite 7. You should upgrade to this latest version and apply the latest hot fixes dated October 30th 2006 or later. The fixes are available from Rockliffe User Room Fixed - Ensure you have applied the hotfix rollup for MailSite engine 7.0.3 dated Oct 30th 2006 or later. Customers running older versions of MailSite are encouraged to upgrade to the latest version, or alternately remove the 'catchall' account.