nightmaremail

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PIC.relaygood (1127B)


      1 qmail-smtpd     Receive message by SMTP from another host:
      2                    
      3      |             MAIL FROM:<joe@heaven.af.mil>
      4      |             RCPT TO:<bill@irs.gov>
      5      |          
      6      |          Is $RELAYCLIENT set? Yes: "".
      7      |          Accept RCPT.  
      8      V             
      9                    
     10 qmail-queue     Store message safely on disk.
     11                 Trigger qmail-send.
     12      |             
     13      V             
     14                    
     15 qmail-send      Look at envelope recipient, bill@irs.gov.
     16      |          Is irs.gov in locals? No.
     17      |          Is bill@irs.gov in virtualdomains? No.
     18      |          Is irs.gov in virtualdomains? No.
     19      |          Is .gov in virtualdomains? No.
     20      |          Deliver remotely to bill@irs.gov.
     21      V          
     22                    
     23 qmail-rspawn    Run qmail-remote.
     24 
     25      |             
     26      V             
     27 
     28 qmail-remote    Look at host name, irs.gov.
     29                 Is irs.gov listed in smtproutes? No.
     30 		Look up DNS MX/A for irs.gov and connect to it by SMTP:
     31                    
     32                    MAIL FROM:<joe@heaven.af.mil>
     33                    RCPT TO:<bill@irs.gov>