Date: Thu, 25 Jun 2020 12:55:46 +0100 From: Mike Clarke <jmc-freebsd2@milibyte.co.uk> To: freebsd-questions@freebsd.org Cc: Daniel Lysfjord <lysfjord.daniel@smokepit.net> Subject: Re: Exim - retry time not reached for any host Message-ID: <2063627.3V7qYkmoPJ@curlew> In-Reply-To: <e3aa92c3-28e9-9f3d-68ef-29b62ccf5b41@smokepit.net> References: <2534646.NQNxk83B2J@curlew> <1854884.R0FQcr2YjX@curlew> <e3aa92c3-28e9-9f3d-68ef-29b62ccf5b41@smokepit.net>
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On Monday, 22 June 2020 22:03:53 BST Daniel Lysfjord via freebsd-questions wrote: > Would be interesting to see what the contents of pkg#2 was compared to > pkg#2 from the one below. You should reply with an ACK instead of just > tossing an RST back at him. This means exim just closes the connection, > for some reason. Here's the first three packets of the failed connection exported from Wireshark as text. Packet 2 was the SYN from the remote server and 3 was the RST from my end. I could upload the binary version to Google drive if that helps. +---------+---------------+----------+ 15:03:19,112,384 ETHER |0 |7c|ff|4d|20|ff|e1|40|8d|5c|84|3d|74|08|00|45|00|00|3c|00|00|40|00|40|06|00|00|c0|a8|01|0d| 5f|8e|9c|12|62|b8|01|d1|38|76|fe|35|00|00|00|00|a0|02|ff|ff|bd|84|00|00|02|04|05|b4|01|03|03|06| 04|02|08|0a|cc|f9|38|84|00|00|00|00| +---------+---------------+----------+ 15:03:19,134,244 ETHER |0 |40|8d|5c|84|3d|74|7c|ff|4d|20|ff|e1|08|00|45|00|00|3c|79|5a|00|00|33|06|51|0c|5f|8e|9c|12|c0| a8|01|0d|01|d1|62|b8|64|e9|3d|30|38|76|fe|36|a0|12|a9|b0|db|df|00|00|02|04|05|ac|04|02|08|0a| fe|79|c3|c5|cc|f9|38|84|01|03|03|0b| +---------+---------------+----------+ 15:03:19,134,256 ETHER |0 |7c|ff|4d|20|ff|e1|40|8d|5c|84|3d|74|08|00|45|00|00|28|00|00|40|00|40|06|00|00|c0|a8|01|0d| 5f|8e|9c|12|62|b8|01|d1|38|76|fe|36|00|00|00|00|50|04|00|00|bd|70|00|00| And the first four packets (as far as the "client hello") from the connection that eventually succeeded +---------+---------------+----------+ 15:04:59,678,201 ETHER |0 |7c|ff|4d|20|ff|e1|40|8d|5c|84|3d|74|08|00|45|00|00|3c|00|00|40|00|40|06|00|00|c0|a8|01|0d| 5f|8e|9c|12|a3|1c|01|d1|71|7d|eb|9b|00|00|00|00|a0|02|ff|ff|bd|84|00|00|02|04|05|b4|01|03|03|06| 04|02|08|0a|44|62|c7|f9|00|00|00|00| +---------+---------------+----------+ 15:04:59,700,553 ETHER |0 |40|8d|5c|84|3d|74|7c|ff|4d|20|ff|e1|08|00|45|00|00|3c|3a|03|00|00|33|06|90|63|5f|8e|9c|12|c0| a8|01|0d|01|d1|a3|1c|22|6d|01|f1|71|7d|eb|9c|a0|12|a9|b0|63|14|00|00|02|04|05|ac|04|02|08|0a| fe|7b|4c|9b|44|62|c7|f9|01|03|03|0b| +---------+---------------+----------+ 15:04:59,700,583 ETHER |0 |7c|ff|4d|20|ff|e1|40|8d|5c|84|3d|74|08|00|45|00|00|34|00|00|40|00|40|06|00|00|c0|a8|01|0d| 5f|8e|9c|12|a3|1c|01|d1|71|7d|eb|9c|22|6d|01|f2|80|10|04|13|bd|7c|00|00|01|01|08|0a|44|62|c8|0f| fe|7b|4c|9b| +---------+---------------+----------+ 15:04:59,707,586 ETHER |0 |7c|ff|4d|20|ff|e1|40|8d|5c|84|3d|74|08|00|45|00|01|5e|00|00|40|00|40|06|00|00|c0|a8|01|0d| 5f|8e|9c|12|a3|1c|01|d1|71|7d|eb|9c|22|6d|01|f2|80|18|04|13|be|a6|00|00|01|01|08|0a|44|62|c8| 16|fe|7b|4c|9b|16|03|01|01|25|01|00|01|21|03|03|a6|5c|d5|26|25|50|a9|56|69|7a|4b|d8|86|41|50| 89|b0|73|9f|ef|a1|ad|dd|a6|97|b5|ac|c2|9e|5b|95|ff|20|59|a6|7c|f7|1a|ee|f7|7f|7c|94|64|0f|cb|e0|89| fa|7c|1d|0e|de|25|af|07|34|9c|80|f8|b1|c7|a1|e4|d1|00|3e|13|02|13|03|13|01|c0|2c|c0|30|00|9f|cc| a9|cc|a8|cc|aa|c0|2b|c0|2f|00|9e|c0|24|c0|28|00|6b|c0|23|c0|27|00|67|c0|0a|c0|14|00|39|c0|09|c0| 13|00|33|00|9d|00|9c|00|3d|00|3c|00|35|00|2f|00|ff|01|00|00|9a|00|0b|00|04|03|00|01|02|00|0a| 00|0c|00|0a|00|1d|00|17|00|1e|00|19|00|18|00|05|00|05|01|00|00|00|00|00|16|00|00|00|17|00|00| 00|0d|00|30|00|2e|04|03|05|03|06|03|08|07|08|08|08|09|08|0a|08|0b|08|04|08|05|08|06|04|01|05| 01|06|01|03|03|02|03|03|01|02|01|03|02|02|02|04|02|05|02|06|02|00|2b|00|09|08|03|04|03|03|03| 02|03|01|00|2d|00|02|01|01|00|33|00|26|00|24|00|1d|00|20|81|77|6b|8d|5e|a7|d6|29|8e|21|65|b0| ed|e6|20|d1|86|0d|20|0e|1a|29|b0|96|bf|a6|0b|03|a8|eb|c2|5b| > A "truss -ff" on exim would also be interesting, just to see what it's really doing. I'll give that a try but I'm not likely to get the chance until later next week. > An intermediate solution would be to put an "exim -Rf" in your crontab, > if moving to 4.94 is something you really want to do at this point:) I'm happy to stay with 4.93 for some time. -- Mike Clarke
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