I just saw a chart which shows a huge spike in "Service not available - access denied” bounces at another sender. It started Feb 10 around 17:30 GMT+1. So it may be a problem on the side of Telecom Italia, or they deliberately turned down the bulk knob.
Maarten Oelering Postmastery > On 15 Feb 2017, at 10:02, Lindani Tshabangu via mailop <[email protected]> > wrote: > > I have not heard back from a human there, but I tried a contact we had with > their associated domain @it.telecomitalia.it <http://it.telecomitalia.it/>. > He, unfortunately has left and said he had forwarded the message to "other > people" > > Kind regards > ____________________ > Lindani Tshabangu > Deliverability EMEA > Groupon International Ltd. > Connaught House |1 Burlington Rd | Dublin 4, Ireland > > > > On Tue, Feb 14, 2017 at 9:35 PM, Udeme Ukutt <[email protected] > <mailto:[email protected]>> wrote: > Has anyone *actually* heard from a human there? I've tried abuse@ & > postmaster@ in the past - with no luck unfortunately. > > - Udeme > > On Tue, Feb 14, 2017 at 10:00 AM, Stefano Bagnara <[email protected] > <mailto:[email protected]>> wrote: > FYI, a friend ESP told me that they are seeing this "access denied" too, > sending to Alice.it since a few days. > > He also pointed me to this thread: > https://productforums.google.com/forum/#!topic/gmail-it/A4Vni9dE5pI > <https://productforums.google.com/forum/#!topic/gmail-it/A4Vni9dE5pI> > An italian user using Gmail is trying to write to an user at alice.it > <http://alice.it/> and getting back the same bounce and the Google support > replies that they are working on it. > > So, also Gmail see the same "access denied" from Alice.it: a trouble shared > is a trouble halved ? > > Stefano > > > On 13 February 2017 at 18:03, Stefano Bagnara <[email protected] > <mailto:[email protected]>> wrote: > On 13 February 2017 at 17:47, Lindani Tshabangu <[email protected] > <mailto:[email protected]>> wrote: > Thank you guys, > > @Stefano, we also received loads of "Service not available - too busy" on > Friday the 10th. > These stopped and we started receiving the "Service not available - access > denied" from then on till today. > > I receive the "Service not available - too busy" every day, every time, since > years (including today). Friday the 10th the weird thing was delayed delivery > (e.g: 10 minutes waiting at each "." before accepting the message): maybe you > have low timeouts on your side and your retries hurted some of their filters > and they blocked you. > > Note that If you use a low session timeout when their servers are on they > knees then you'll end up delivery the same message over and over again and > this may lead to complaints and blocks. > > You didn't answer when do you get that "Service not available - access > denied": at the connection? After the EHLO? After the MAIL FROM? the RCPT TO? > Or the "." at the end of DATA transmission? > > @Maarten > > We currently use 6 concurrent connections with no issues (had to increase > them from 3 to 6 because of their very long delays). > > Interesting you got answers from them! Which address did you wrote? > @telecomitalia.it <http://telecomitalia.it/> @tim.it <http://tim.it/> > @telecom.it <http://telecom.it/> other ? > > Stefano > > > @Maarten, I will try changing our settings a bit. > > Thanx again. > > Kind regards > ____________________ > Lindani Tshabangu > Deliverability EMEA > Groupon International Ltd. > Connaught House |1 Burlington Rd | Dublin 4, Ireland > > > > On Mon, Feb 13, 2017 at 3:56 PM, Maarten Oelering <[email protected] > <mailto:[email protected]>> wrote: > Hi Lindani, > > Alice is part of Telecom Italia. We had some success in the past with abuse@ > or postmaster@. > > Other “insider” tips: > - use no more than 4 concurrent connections > - send no more than 50 messages per connection > - make sure you have low unknown user rate > > Maarten > Postmastery > >> On 13 Feb 2017, at 16:29, Lindani Tshabangu via mailop <[email protected] >> <mailto:[email protected]>> wrote: >> >> Good day, >> >> Has anyone experienced delivery issues in IT with the Alice.it >> <http://alice.it/> ISP of late. We have in particular been getting error >> messages like "Service not available - access denied" >> >> I have tried contacting them with no response. >> >> If anyone has a contact email or anyone from Alice in this forum, please >> assist. >> >> Kind regards >> ____________________ >> Lindani Tshabangu >> Deliverability EMEA >> Groupon International Ltd. >> Connaught House |1 Burlington Rd | Dublin 4, Ireland >> >> >> _______________________________________________ >> mailop mailing list >> [email protected] <mailto:[email protected]> >> https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop >> <https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop> > > > > > > _______________________________________________ > mailop mailing list > [email protected] <mailto:[email protected]> > https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop > <https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop> > > > > _______________________________________________ > mailop mailing list > [email protected] > https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop
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