Powershell script to read and timespan SMTP headers, if anyone is interested.
Copy the headers to file hdr.txt in the same directory as the script, and run
it.
$hdr_txt = gc ./hdr.txt
$from_hdr = $hdr_txt | select-string "^From\:\s.+$"
$rec_block = $hdr_txt[0..$($from_hdr.linenumber -2)]
$rec_lines = $rec_block | select-string "^Received\:\sfrom"
$sent_hdr = $hdr_txt | select-string "^Date\:\s.+$"
$sent_hdr.line -match "^Date\:\s(.+)$" > $nul
$sent_ts = [datetime]$matches[1]
$rec_hdr_regex =
[regex]"^Received\:\sfrom\s(.+?)\sby\s(.+?)\swith\s(.+?)\;\s(.+?\d\d\:\d\d\:\d\d\s[+|-]\d{4})"
foreach ($rec_line in $rec_lines[1..$($rec_lines.count
-1)]){$rec_block[$rec_line.linenumber -1] = "~" + $rec_line.line}
$rec_hdrs = $([string]$rec_block).split("~")
$i = $rec_hdrs.count -1
$last_ts = $sent_ts
Write-host "`nMessage sent $($sent_ts)`n"
while ($i -ge 0) {
$rec_hdrs[$i] -match $rec_hdr_regex > $nul
$rec_ts = [datetime]$matches[4]
$latency = $rec_ts - $last_ts
$last_ts = $rec_ts
write-host "latency is $($latency.totalseconds) seconds`n"
$matches[1]
$i--
}
Write-host "Message received $($last_ts)"
write-host "Total time is $($($last_ts - $sent_ts).seconds) seconds. `n"
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