Re: [swinog] anyone else problem contacting bluewin.ch SMTP Servers?

2013-08-29 Diskussionsfäden Oliver Hitz
Hi Thomas, On 28 Aug 2013, Thomas Vogt wrote: There was an attack and maybe it has amplified this issue but so far the root cause of the problem was a strange behavior of the bluewin MX load balancer (LB). Thanks for sharing this information with us. Regards Oliver signature.asc

Re: [swinog] anyone else problem contacting bluewin.ch SMTP Servers?

2013-08-28 Diskussionsfäden Claudio Kuenzler
On Wed, Aug 28, 2013 at 9:35 AM, Michael Richter mrich...@sasag.ch wrote: mrichter@CL-LINUX-3OG-MR:~$ telnet mxzhh.bluewin.ch 25 Trying 195.186.227.50... Connected to mxzhh.bluewin.ch. Escape character is '^]'. 421 4.4.5 Service unavailable, concurrency limit reached. Connection closed by

Re: [swinog] anyone else problem contacting bluewin.ch SMTP Servers?

2013-08-28 Diskussionsfäden Mike Kellenberger
Yep, seeing the same error messages in our logs: 195.186.99.50 [06B0] 10:01:08 Client session 421 4.4.5 Service unavailable, concurrency limit reached. Regards, Mike -- Mike Kellenberger | Escapenet GmbH www.escapenet.ch +41 52 235 0700/04 Skype mikek70atwork Am 28.08.2013 09:35, schrieb

Re: [swinog] anyone else problem contacting bluewin.ch SMTP Servers?

2013-08-28 Diskussionsfäden Oliver Hitz
On 28 Aug 2013, Michael Richter wrote: Trying 195.186.227.50... Connected to mxzhh.bluewin.ch. Escape character is '^]'. 421 4.4.5 Service unavailable, concurrency limit reached. We see the mail queues growing with undeliverable mails for bluewin.ch. The same also happened on monday before

Re: [swinog] anyone else problem contacting bluewin.ch SMTP Servers?

2013-08-28 Diskussionsfäden Thomas Vogt
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 08/28/13 11:02, Oliver Hitz wrote: On 28 Aug 2013, Michael Richter wrote: Trying 195.186.227.50... Connected to mxzhh.bluewin.ch. Escape character is '^]'. 421 4.4.5 Service unavailable, concurrency limit reached. We see the mail queues