"Connection timed out" has nothing to do with greylisting have you "tuned" any timeout-settings in postfix?
Am 03.03.2011 21:50, schrieb jason hirsh: > > On Mar 3, 2011, at 4:40 PM, John Hinton wrote: > >> On 3/3/2011 3:09 PM, jason hirsh wrote: >>> >>> On Mar 3, 2011, at 4:02 PM, John Hinton wrote: >>> >>>> On 3/3/2011 2:52 PM, jason hirsh wrote: >>>>> >>>>> On Mar 3, 2011, at 3:49 PM, John Hinton wrote: >>>>> >>>>>> >>>>>> >>>>>> On 3/3/2011 2:34 PM, jason hirsh wrote: >>>>>>> >>>>>>> >>>>>>> I have been informed by a couple gmail users that my server is blocking >>>>>>> their access. They are getting >>>>>>> >>>>>>>> Technical details of temporary failure: >>>>>>>> The recipient server did not accept our requests to connect. Learn more >>>>>>>> athttp://mail.google.com/support/bin/answer.py?answer=7720 >>>>>>>> [mail.kasdivi.com <http://mail.kasdivi.com/>. (5): Connection timed >>>>>>>> out] >>>>>>> >>>>>>> The wierd thing about this is that it appers to effect only a couple of >>>>>>> gmail usres. For example mail from >>>>>>> my gmail account goes through just fine >>>>>>> >>>>>>> >>>>>>> >>>>>> Are you running a greylist perhaps? Either way, Google 'slams' email. In >>>>>> other words they try once and if the >>>>>> email cannot be delivered before the time out, the failure response is >>>>>> sent. I run milter greylist on one of >>>>>> my sendmail servers and had to include an exception for gmail. Sad but >>>>>> true. Gmail is not really a fully >>>>>> compliant email system but they do a lot of other things very good. >>>>> >>>>> Yes I am running postgrey now.. but this occured even before I added >>>>> postgrey >>>>> plus, thetre still is the issue that some accounts make it and some don't >>>>> >>>>> There is no record of any rejection in my logs >>>> I'm at a bit of a loss about why before postgrey. It suggests that the >>>> mailserver is just not answering fast >>>> enough, which can vary based on load at a particular moment. Gmail might >>>> have a short connection attempt time >>>> set as well? Obviously slamming reduces loads to a huge degree... shorter >>>> connection times would also reduce >>>> loads. It is for the most part a 'free' service. Perhaps premiere gmail >>>> accounts are handled diffently? >>>> >>>> As for postgrey, I have not used that but you need to add an exception for >>>> gmail. I assume postgrey is like >>>> milter greylist in that it keeps a list of recent IP addresses to allow >>>> incoming email. Gmail certainly has >>>> lots of IP addresses for their mailservers. It could be simply hit or miss >>>> based on which are currently on that >>>> allow list. This would show as a sporadic issue. Another test, if you know >>>> any of the gmail people which are >>>> receiving the failure notices, is to have them try once, then again some >>>> minutes later which is greater than >>>> you postgrey time setting. Then again, I'm not sure every email sent from >>>> any particular gmail user always come >>>> in from the same IP address. >>>> >>> >>> I had this issue even before I added post grey to my configuratioin.. I >>> am getting no errrors or bounces >>> I have had the user resend >>> >>> again the wired things are >>> 1) one gmail account works while others don't (which would support one >>> server is really slamming while tjhe >>> other isn't >> Or some are whitelisted by postgrey while others are not. Also, is it >> possible that loads are going high at >> times, causing time outs? Gmail will just give up while almost all others >> simply retry later. > > i have expanded my white listing in postgrey >>> 2) absoultely no error mesages on my server.. its like it boucned off an >>> invisible shield >> Do your postgrey logs show? If it is sending a delay response, it would only >> show in the logs of that 'invisible >> shield'. (again, sorry I'm out of my realm here as I only have experience >> with milter greylist on my backup >> sendmail server. I do remember setting several IP address ranges to get >> around gmail slamming.) > > John I am out of MY realm with postgrey too... but again the crux of the > issue is that it occured BEFORE i had > added postgrey > > I have postgrey.. logging to maillog.... and i have tried grep'ed the > addresses with no find.. > > since it existed pre and post postgreu installation I continue to assume that > it is something to do with postfix > > can I whitelist gmail in postfix in a manner to let all thie rmermutations > and combos go through? > > I know that with all the spoofing of gmail this wull create an opening for > spam... I have tried to convince the > user the gmail is a horrible thing to be using for primary mail.. but...... > > I understand its gmail's error... > > >> >> Remember, the error message is generated by gmail, not your system. You >> could grep logs for the sender's email >> address. >>> >>>> Best of luck. >>>> >>>> John >>>>> >>>>>> -- >>>>>> John Hinton >>>>>> 877-777-1407 ext 502 >>>>>> http://www.ew3d.com >>>>>> Comprehensive Online Solutions >>>>> >>>> >>>> >>>> -- >>>> John Hinton >>>> 877-777-1407 ext 502 >>>> http://www.ew3d.com >>>> Comprehensive Online Solutions >>> >> >> >> -- >> John Hinton >> 877-777-1407 ext 502 >> http://www.ew3d.com >> Comprehensive Online Solutions
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