Ah I see. That makes sense. Things like "Mailbox Over Quota" or a slew of other errors that are "non-temporary" but don't specifically indicate "this mailbox doesn't exist" are probably worth a couple of tries. I've heard people say you should retry an address that returned "5xx No such user" or "5xx invalid recipient address" and I thought that's what you were suggesting.
On Thu, Sep 19, 2019 at 1:00 PM Michael Wise via mailop <mailop@mailop.org> wrote: > > > Sometimes, for reasons beyond the recipient’s control, things go wrong. > > Mailbox gets attacked and goes over quota. > > DNS servers go down (should never happen, but) > > BGP hijack. > > > > All sorts of things are possible. > > But if you’re getting a bounce, and the server or account is down for more > than a day, and you’re trying to re-engage, then remove ‘em. > > Hard and fast rules are good in theory, lousy in practice, just like > practical rules can be horrible in theory. > > Somewhere in the middle is the truth. > > But don’t ignore signals. > > > > Aloha, > > Michael. > > -- > > *Michael J Wise* > Microsoft Corporation| Spam Analysis > > "Your Spam Specimen Has Been Processed." > > Got the Junk Mail Reporting Tool > <http://www.microsoft.com/en-us/download/details.aspx?id=18275> ? > > > > *From:* Luke <lukemarti...@gmail.com> > *Sent:* Thursday, September 19, 2019 12:48 PM > *To:* Michael Wise <michael.w...@microsoft.com> > *Cc:* Ken O'Driscoll via mailop <mailop@mailop.org> > *Subject:* Re: [mailop] Best Re-engagement Email > > > > Are you saying you should retry an address once or twice even if it > bounces? > > > > On Thu, Sep 19, 2019, 12:31 PM Michael Wise via mailop <mailop@mailop.org> > wrote: > > > > And if it bounces … > > Emergency Stop Emailing Immediately! > > > > Maybe try again once of twice, but if all those fail, for goodness sake, > remove their name permanently. > > > > Aloha, > > Michael. > > -- > > *Michael J Wise* > Microsoft Corporation| Spam Analysis > > "Your Spam Specimen Has Been Processed." > > Got the Junk Mail Reporting Tool > <https://nam06.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.microsoft.com%2Fen-us%2Fdownload%2Fdetails.aspx%3Fid%3D18275&data=02%7C01%7CMichael.Wise%40microsoft.com%7Cf259fccfcf52434d983008d73d3a45a0%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C637045192796842467&sdata=UYeFNvDCwCBdFOBVs40UrSGKludRY29so8%2F0Ycv%2FMvo%3D&reserved=0> > ? > > > > *From:* mailop <mailop-boun...@mailop.org> *On Behalf Of *Laura Atkins > via mailop > *Sent:* Thursday, September 19, 2019 9:38 AM > *To:* Michael Peddemors <mich...@linuxmagic.com> > *Cc:* mailop@mailop.org > *Subject:* Re: [mailop] Best Re-engagement Email > > > > > > On 19 Sep 2019, at 16:47, Michael Peddemors via mailop <mailop@mailop.org> > wrote: > > > > On 2019-09-19 8:35 a.m., Al Iverson via mailop wrote: > > Thus there are three categories of subscriber responses: > - Clicked on unsub link or "no" button. Stop mailing. > - Clicked on opt-in link or "yes" button. Continue mailing. > - Did nothing. Send one reminder mail asking them again to opt-in in > 7-10 days. After that, let them go. Stop mailing them. > > > +1, and can we go even further? Confirmed double opt-in subscribers are > MUCH more valuable that single opt-in, you might even consider keeping all > confirmed double opt-in completely separate from other types of mailings, > so that that part of your service always has the highest reputation. > > > > But you still need to pay attention to engagement with your confirmed > subscribers. And reconfirming folks who confirmed 5 years ago but have not > clicked on any link or opened anything or logged into your website in the > previous 3 years is a good idea, no matter that they confirmed years ago. > > > > laura > > > > -- > > Having an Email Crisis? We can help! 800 823-9674 > > > > Laura Atkins > > Word to the Wise > > la...@wordtothewise.com > > (650) 437-0741 > > > > Email Delivery Blog: https://wordtothewise.com/blog > <https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwordtothewise.com%2Fblog&data=02%7C01%7CMichael.Wise%40microsoft.com%7Cf259fccfcf52434d983008d73d3a45a0%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C637045192796852461&sdata=3%2Bo3LwqxWfVsoKZvM1ngAE5mdM%2FXX9xsUDaPmBMVptA%3D&reserved=0> > > > > > > > > > > > > > > > _______________________________________________ > mailop mailing list > mailop@mailop.org > https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop > <https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fchilli.nosignal.org%2Fcgi-bin%2Fmailman%2Flistinfo%2Fmailop&data=02%7C01%7CMichael.Wise%40microsoft.com%7Cf259fccfcf52434d983008d73d3a45a0%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C637045192796852461&sdata=y%2F5z357hZbNPEnZRrLud76gVmTqfXOkghKgMXE7izDo%3D&reserved=0> > > _______________________________________________ > mailop mailing list > mailop@mailop.org > https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop >
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