Re: [swinog] UPC Mailservers problems with greylisting

2017-01-03 Diskussionsfäden Per Jessen
Mike Kellenberger wrote: > Hi > > We are seeing problems with greylisting in mails coming from UPC > mailservers. After receiving our "451 Greylisting" response, we never > see a retry of the mail again. The sender does not receive an NDR. We > have seen this behaviour from the servers at

Re: [swinog] UPC Mailservers problems with greylisting

2017-01-03 Diskussionsfäden Benoit Panizzon
Same Problem here, since at least 24. December. Opened a case today @ UPC. I keep you updated. -- -Benoît Panizzon- -- I m p r o W a r e A G-Leiter Commerce Kunden __ Zurlindenstrasse 29 Tel +41 61 826 93 00 CH-4133

Re: [swinog] UPC Mailservers problems with greylisting

2017-01-03 Diskussionsfäden Matthias Egger
On 01/03/2017 03:09 PM, Mike Kellenberger wrote: > We are seeing problems with greylisting in mails coming from UPC > mailservers. After receiving our "451 Greylisting" response, we never > see a retry of the mail again. The sender does not receive an NDR. We > have seen this behaviour from the

Re: [swinog] UPC Mailservers problems with greylisting

2017-01-03 Diskussionsfäden Marc Balmer
> We are seeing problems with greylisting in mails coming from UPC > mailservers. After receiving our "451 Greylisting" response, we never > see a retry of the mail again. The sender does not receive an NDR. We > have seen this behaviour from the servers at 84.116.36.xxx. Other > servers for

[swinog] UPC Mailservers problems with greylisting

2017-01-03 Diskussionsfäden Mike Kellenberger
Hi We are seeing problems with greylisting in mails coming from UPC mailservers. After receiving our "451 Greylisting" response, we never see a retry of the mail again. The sender does not receive an NDR. We have seen this behaviour from the servers at 84.116.36.xxx. Other servers for