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=patrickjallut@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=bzwahlenmattei@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
On Thu, 31 Jan 2013 14:07:39 +0100 Jonathan Jeanneret jonathan.jeanneret@citycable.ch wrote:
220 *********************************************************
Looks like a PIX firewall is interfering with your SMTP traffic. Try disabling the smtp fixup. This can be the source of all sorts of smtp problems.
Good luck Oli
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.jeanneret@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=patrickjallut@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=bzwahlenmattei@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.jeanneret@citycable.ch
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