>> SMTP connection from (host) [ip] lost while reading message data (header) >> . > > Please don't obfuscate. > http://www.exim.org/eximwiki/DontObfuscate ok, sorry: eg: SMTP connection from (Honos03) [87.97.100.8] lost while reading message data (header)
> >> What is it caused by and how could I fix it? :| >> Some clients can't send data over SMTP due to this. > > That problem can often be caused by MTU issues. Are you using PPPOE? no pppoe. > http://en.wikipedia.org/wiki/Maximum_transmission_unit > >> Never seen this happening before upgrading to debian etch from sarge.. :| > > It could be that you had MTU configured properly before, and the upgrade > broke it. Ran through the docs, but what is a 'correct MTU', and how to check current one? btw traceroute looks like this: traceroute to 87.97.100.8.pool.invitel.hu (87.97.100.8), 30 hops max, 40 byte packets 1 gw.deninet.hu (212.92.23.1) 42.490 ms 0.287 ms 48.193 ms 2 bix.invitel.hu (193.188.137.44) 6.329 ms 5.606 ms 4.965 ms 3 213-163-21-13.pool.invitel.hu (213.163.21.13) 0.372 ms 0.385 ms 0.576 ms 4 * * * 5 * * * 6 * * * 7 * * * 8 * * * 9 * * * 10 * * * 11 * * * 12 * * * 13 * * * Isn't it weird? -- ## List details at http://www.exim.org/mailman/listinfo/exim-users ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://www.exim.org/eximwiki/
