Hi, Had the same symptom with an MTU set too high. you might try to reduce it...
stef Am 31.01.2013 um 14:07 schrieb Jonathan Jeanneret <jonathan.jeanne...@citycable.ch>: > Hello, > > Since a few weeks, we've a problem when we send e-mail to MTA of Yahoo > (yahoo.com or yahoo.fr) > The log in our postfix server are: > > Jan 25 09:27:37 emailfrontal1 postfix/error[12384]: 19128F857F: > to=<patrickjal...@yahoo.fr>, relay=none, delay=164344, > delays=164344/0/0/0.03, dsn=4.4.2, status=deferred (delivery temporarily > suspended: lost connection with mx-eu.mail.am0.yahoodns.net[77.238.184.241] > while sending end of data -- message may be sent more than once) > Jan 25 09:28:00 emailfrontal1 postfix/smtp[12670]: DAC59F88F9: > to=<bzwahlenmat...@yahoo.com>, relay=mta5.am0.yahoodns.net[66.94.237.139]:25, > delay=260738, delays=260715/0.01/12/11, dsn=4.4.2, status=deferred (lost > connection with mta5.am0.yahoodns.net[66.94.237.139] while sending end of > data -- message may be sent more than once) > > When we try a telnet connection it works but the sessions is closed after 5 > sec: > > telnet mx-eu.mail.am0.yahoodns.net 25 > Trying 77.238.184.241... > Connected to mx-eu.mail.am0.yahoodns.net (77.238.184.241). > Escape character is '^]'. > 220 ********************************************************* > > We don't see any packet loss between yahoo and us. > > Is anyone have seen this problem? > Can someone from Yahoo contact me offlist? > > Thanks for your help. > Regards > Jonathan > -- > Jonathan Jeanneret > IP Systems Engineer > Service Industriels Lausanne > Citycable - > www.citycable.ch > jonathan.jeanne...@citycable.ch > > Phone: +41 21 315 96 40 > Mobile: +41 79 506 28 57 > > > _______________________________________________ > swinog mailing list > swinog@lists.swinog.ch > http://lists.swinog.ch/cgi-bin/mailman/listinfo/swinog ________________________________________________ Stefan Schmidlin Leistungsbereich IT der SCNAT Akademie der Naturwissenschaften Schweiz Schwarztorstrasse 9 3007 Bern Schweiz Tel. +41 (0)31 310 40 33 (direkt) Tel. +41 (0)31 310 40 20 (Sekretariat) Fax +41 (0)31 310 40 29 www.scnat.ch www.scnatweb.ch Die SCNAT ist Mitglied der Akademien der Wissenschaften Schweiz _______________________________________________ swinog mailing list swinog@lists.swinog.ch http://lists.swinog.ch/cgi-bin/mailman/listinfo/swinog
