On Tue, Mar 07, 2023 at 01:35:12PM -0500, David Sovereen via mailop wrote:
>  [2023.03.06] 13:43:28.763 [204.101.223.59][57867550] cmd: DATA
>  [2023.03.06] 13:43:28.763 [204.101.223.59][57867550] Performing PTR host 
> name lookup for 204.101.223.59
>  [2023.03.06] 13:43:28.763 [204.101.223.59][57867550] PTR host name for 
> 204.101.223.59 resolved as esa2-dor.bell.ca
>  [2023.03.06] 13:43:28.763 [204.101.223.59][57867550] rsp: 354 Start mail 
> input; end with .
>  [2023.03.06] 13:43:28.810 [204.101.223.59][57867550] senderEmail(2): 
> redac...@bell.ca parsed using: “Redacted” <redac...@bell.ca>
>  [2023.03.06] 13:43:28.810 [204.101.223.59][57867550] Sender accepted. 
> Weight: 4. Block threshold: 36. Failed checks: _SPF (4,None)
>  [2023.03.06] 13:45:33.408 [204.101.223.59][57867550] rsp: 421 Command 
> timeout, closing transmission channel
>  [2023.03.06] 13:45:33.408 [204.101.223.59][57867550] disconnected at 
> 3/6/2023 1:45:33 PM
>  [2023.03.06] 13:48:59.847 [204.101.223.59][57867550] rsp: 250 OK
>  [2023.03.06] 13:48:59.847 [204.101.223.59][57867550] Client socket is 
> disconnected! Disconnect exception encountered: True, IsDisconnected: True, 
> This message will still be accepted. 
>  [2023.03.06] 13:48:59.847 [204.101.223.59][57867550] Received message size: 
> 17588 bytes
>  [2023.03.06] 13:48:59.847 [204.101.223.59][57867550] Successfully wrote to 
> the HDR file. (d:\mail\spool\SubSpool9\1391309161820.hdr)
>  [2023.03.06] 13:48:59.847 [204.101.223.59][57867550] Data transfer 
> succeeded, writing mail to 1391309161820.eml (MessageID: )

This log looks like you timed out the bell.ca sending server after 2
minutes. You closd the connection - and so how do you expect them to
send a QUIT?

Additionally - you aborted the stream mid-DATA command - you have 1) no
guarantee thatyou've received the whole message*** and 2) bell.ca has no
confirmation that you've received the message - so their server will
retry.

*** If you know you received the whole message (i.e. bell.ca sent the
CRLF.CRLF and you're now 'doing your thing' before deciding to accept or
reject the message) then you've set your 2 minute timeout way too low
and you need to work out how to complete your processing within your own
timeout.

PG
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