> Jim is absolutely correct about filtering your invalid emails, though I > personally would > never do it automatically, as there are too many variables to distinguish > between > ISP's that are subject to change. You could lose a lot of valid subscribers > via > automated filtering. The bounces that come back to my server are piped to an > email account on the server. I then use a program to download them manually > <http://www.boogietools.com> , the program filters and separates them into > categories such as > hard bounces, soft bounces and mail blocks. I then decide which ones to > remove > from my lists, at this present time soft, hard, general, and transient > bounces are > removed. However there is one automated program I know of here > <https://www.inboxresponse.com> . You just can't keep sending without > filtering out the bad ones, it will > get you blocked, banned, and blacklisted, so this is a high priority issue. > You should > also make sure that you have reverse dns correctly set up as well as a spf > record > <http://www.microsoft.com/mscorp/safety/content/technologies/senderid/wizard/> > . > You can check your servers black listings here <http://multirbl.valli.org> > , > and you will see if your RDNS is currently set up correctly. You should also > consider > setting up feedback loops with Hotmail > <http://mail.live.com/mail/troubleshooting.aspx> and AOL > <http://postmaster.aol.com/Postmaster.Reputation.php> . As well as > some of the other suggestions they may have individually. With AOL you can > apply for > whitelisting after you have a feedback loop in place. With Hotmail, there is > a feedback loop > <https://support.msn.com/eform.aspx?productKey=edfsjmrpp&page=support_home_options_form_byemail&ct=eformts> > , > an account with Smart Network Data Services > <https://postmaster.live.com/snds/index.aspx> , Return Path > <http://www.returnpath.net> , which are free. You will > need a hotmail email account for the SMDS. The bulk sender contact form for > Gmail is here <https://support.google.com/mail/contact/bulk_send> . You can > contact Yahoo here > <http://help.yahoo.com/l/us/yahoo/mail/postmaster/bulkv2.html> , but that > requires a yahoo account, you must > be signed into your account when using this form, otherwise nothing will > happen. Also check out > SPF vs Sender ID <http://www.openspf.org/SPF_vs_Sender_ID> Other than > that, > welcome to an ongoing headache!
This message is solid gold. Thank you. - Grant
