EWTHeckman Posted December 18, 2015 Report Share Posted December 18, 2015 I just upgraded from Retrospect 11.5 to 12.5 today. One problem I immediately noticed is that once again, email notifications have stopped working. (They worked only rarely in 11.0, and had finally become mostly reliable in 11.5.) The first failure message I saw says "No server found at that address (-597)" which is clearly not true since it was working just before the upgrade. After digging around the forums, I found notes that disabling the SSL feature should fix the problem, but attempting to do so leads to an "Invalid response from SMTP server (-592)" error. I captured the TCP communications between my Retrospect Server machine and the mail server. Here they are, sanitized for privacy: With SSL active: TCP packet from [Retrospect Server IP]:54157 to [Mail Server IP]:587 (0 bytes) SYN TCP packet from [Mail Server IP]:587 to [Retrospect Server IP]:54157 (0 bytes) SYN ACK TCP packet from [Retrospect Server IP]:54157 to [Mail Server IP]:587 (0 bytes) ACK TCP packet from [Mail Server IP]:587 to [Retrospect Server IP]:54157 (31 bytes) ACK PUSH 220 [Mail Server Name] ESMTP TCP packet from [Retrospect Server IP]:54157 to [Mail Server IP]:587 (0 bytes) ACK TCP packet from [Retrospect Server IP]:54157 to [Mail Server IP]:587 (16 bytes) ACK PUSH EHLO localhost TCP packet from [Mail Server IP]:587 to [Retrospect Server IP]:54157 (0 bytes) ACK TCP packet from [Mail Server IP]:587 to [Retrospect Server IP]:54157 (88 bytes) ACK PUSH 250-[Mail Server Name] 250-STARTTLS 250-SIZE 20971520 250-PIPELINING 250 8BITMIME TCP packet from [Retrospect Server IP]:54157 to [Mail Server IP]:587 (0 bytes) ACK TCP packet from [Retrospect Server IP]:54157 to [Mail Server IP]:587 (10 bytes) ACK PUSH STARTTLS TCP packet from [Mail Server IP]:587 to [Retrospect Server IP]:54157 (19 bytes) ACK PUSH 220 ready for tls TCP packet from [Retrospect Server IP]:54157 to [Mail Server IP]:587 (0 bytes) ACK TCP packet from [Retrospect Server IP]:54157 to [Mail Server IP]:587 (186 bytes) ACK PUSH [Data block] TCP packet from [Mail Server IP]:587 to [Retrospect Server IP]:54157 (1460 bytes) ACK [Data block] TCP packet from [Mail Server IP]:587 to [Retrospect Server IP]:54157 (1460 bytes) ACK [Data block] TCP packet from [Retrospect Server IP]:54157 to [Mail Server IP]:587 (0 bytes) ACK TCP packet from [Mail Server IP]:587 to [Retrospect Server IP]:54157 (1460 bytes) ACK [Data block] TCP packet from [Mail Server IP]:587 to [Retrospect Server IP]:54157 (46 bytes) ACK PUSH [Data block] TCP packet from [Retrospect Server IP]:54157 to [Mail Server IP]:587 (0 bytes) ACK TCP packet from [Retrospect Server IP]:54157 to [Mail Server IP]:587 (0 bytes) FIN ACK TCP packet from [Mail Server IP]:587 to [Retrospect Server IP]:54157 (0 bytes) FIN ACK TCP packet from [Retrospect Server IP]:54157 to [Mail Server IP]:587 (0 bytes) ACK As you can see, Retrospect is definitely communicating with my mail server. Without SSL: TCP packet from [Retrospect Server IP]:54126 to [Mail Server IP]:587 (0 bytes) SYN TCP packet from [Mail Server IP]:587 to [Retrospect Server IP]:54126 (0 bytes) SYN ACK TCP packet from [Retrospect Server IP]:54126 to [Mail Server IP]:587 (0 bytes) ACK TCP packet from [Mail Server IP]:587 to [Retrospect Server IP]:54126 (31 bytes) ACK PUSH 220 [Mail Server Name] ESMTP TCP packet from [Retrospect Server IP]:54126 to [Mail Server IP]:587 (0 bytes) ACK TCP packet from [Retrospect Server IP]:54126 to [Mail Server IP]:587 (18 bytes) ACK PUSH EHLO [Local Machine Name] TCP packet from [Mail Server IP]:587 to [Retrospect Server IP]:54126 (0 bytes) ACK TCP packet from [Mail Server IP]:587 to [Retrospect Server IP]:54126 (88 bytes) ACK PUSH 250-[Mail Server Name] 250-STARTTLS 250-SIZE 20971520 250-PIPELINING 250 8BITMIME TCP packet from [Retrospect Server IP]:54126 to [Mail Server IP]:587 (0 bytes) ACK TCP packet from [Retrospect Server IP]:54126 to [Mail Server IP]:587 (12 bytes) ACK PUSH AUTH LOGIN TCP packet from [Mail Server IP]:587 to [Retrospect Server IP]:54126 (38 bytes) ACK PUSH 504 auth type not available (#5.5.1) TCP packet from [Retrospect Server IP]:54126 to [Mail Server IP]:587 (0 bytes) ACK TCP packet from [Retrospect Server IP]:54126 to [Mail Server IP]:587 (6 bytes) ACK PUSH QUIT TCP packet from [Mail Server IP]:587 to [Retrospect Server IP]:54126 (25 bytes) ACK PUSH 221 [Mail Server Name] TCP packet from [Retrospect Server IP]:54126 to [Mail Server IP]:587 (0 bytes) ACK TCP packet from [Retrospect Server IP]:54126 to [Mail Server IP]:587 (0 bytes) FIN ACK TCP packet from [Mail Server IP]:587 to [Retrospect Server IP]:54126 (0 bytes) FIN ACK TCP packet from [Retrospect Server IP]:54126 to [Mail Server IP]:587 (0 bytes) FIN ACK TCP packet from [Mail Server IP]:587 to [Retrospect Server IP]:54126 (0 bytes) ACK TCP packet from [Retrospect Server IP]:54126 to [Mail Server IP]:587 (0 bytes) ACK Is there a solution to this? 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kleeberg Posted December 20, 2015 Report Share Posted December 20, 2015 I am having the same problem and have found that toggling the SSL on and off only changes the failure message to an error -530 unlike what EWTHackman saw. I have tried several different mail servers, the one on the server (using the name and 127.0.0.1) and on other boxes by name and IP with the same results. Solutions? Paul Quote Link to comment Share on other sites More sharing options...
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