Hi, FYI, I'm forwarding a discussion with AuthSMTP support (the service we use to avoid being flagged as spam). Currently we can't route the mailing list trafic through them due to a security limitation on their side, which means that the ML traffic can still be seen as spam by some users, especially new users who haven't added the mailing-list to their contacts or posted here.
They can remove the limitation, if we ensure that we check the email we send (which is the case), but also if we take a plan that is big enough. It's not that expensive (adds $25/month), but the number of emails it allows to deliver is higher than our current rate (including the mailing list, we should be around 10K emails/month sent, while the plan allows for 20K), so I think we could wait a bit. But just to let you know the details of the issue, and the fact that there is an immediate solution available when we need it. Xavier. -------- Forwarded Message -------- From: AuthSMTP Support <[email protected]> To: Xavier Antoviaque <[email protected]> Subject: Re: AuthSMTP Support Form. Date: Mon, 16 Aug 2010 10:03:09 +0100 As long as you can assure us that your email application has security built in to check / ensure the email addresses you could be sending from are valid and authorized by the sender we can usually remove the restriction for us to check the 'from' addresses. It is also subject to your account size being AuthSMTP 20+. Thank you... AuthSMTP Support. --On 16 August 2010 07:50 +0200 Xavier Antoviaque <[email protected]> wrote: > Hi, > > No problem, I understand. So if I get you right, when we start to have a > traffic that requires a AuthSMTP 20 plan, I can contact you again to > remove the check on the from address (given that we make sure our > application check the security - ie the first part I was mentioning > about the mailing-list). Is that correct? > > Thanks again! > > Xavier. > > On Sun, 2010-08-15 at 21:22 +0100, AuthSMTP Support wrote: > >> Do not think we will be able to help with this - we can (under certain >> circumstances) remove the requirement for us to check the 'from' >> addresses - but that would rely on your application checking and >> ensuring security. The first part of your email below may have been >> possible but the second would not. It also requires your account to be >> a minimum 'size' - typically AuthSMTP 20-25+. >> >> Thank you... AuthSMTP Support. >> >> >> --On 15 August 2010 09:44 +0200 Xavier Antoviaque >> <[email protected]> wrote: >> >> > Hi, >> > >> > With the current traffic, the maximum would be around 10K emails/month. >> > >> > Thanks again, >> > Xavier. >> > >> > On Fri, 2010-08-13 at 19:08 +0100, AuthSMTP Support wrote: >> > >> >> So what do you think is the total / maximum number of emails you will >> >> be sending per month? >> >> >> >> Thank you... AuthSMTP Support. >> >> >> >> >> >> --On 13 August 2010 16:27 +0200 Xavier Antoviaque >> >> <[email protected]> wrote: >> >> >> >> > Hi, >> >> > >> >> > Many thanks for your fast answer! >> >> > >> >> > The scenario is different for the two different tools: >> >> > >> >> > * For the mailing-list, the "From" is checked - the >> >> > participants have to enter their email into a subscription >> >> > field themselves, then click on a confirmation link sent to >> >> > the registered email before being able to post there. Since >> >> > we rely on it as our main way to hold discussions within >> >> > the project, we monitor what people post there very >> >> > closely. The traffic on this mailing-list depends on the >> >> > discussions that happen there - it can go anywhere from 5 >> >> > to 100 emails per week, for about 30 participants at the >> >> > moment. >> >> > * For the aliases, because it's an automatic redirect, it >> >> > could be any address - in this case the part that I control >> >> > is the emails it is sent to (basically, I use it to get all >> >> > the email received on emails such as [email protected] or >> >> > [email protected] to other email addresses, usually mine). >> >> > The traffic is very low, 3-5 emails/week at most. >> >> > >> >> > >> >> > If the second point (aliases) is an issue, I can try to find another >> >> > solution - since I'm usually the recipient of those emails, it's >> >> > less of an issue. But for the first one it's important, since it's >> >> > one of the main ways we have to communicate within the project, so >> >> > I'd like to make sure we use a reliable SMTP relay. >> >> > >> >> > Thanks! >> >> > >> >> > Xavier. >> >> > >> >> > On Fri, 2010-08-13 at 14:39 +0100, AuthSMTP Support wrote: >> >> > >> >> >> Typically all 'from' addresses must be pre-registered? >> >> >> >> >> >> Does your software validate / check all the 'from' addresses or >> >> >> could people potentially send 'from' any address? >> >> >> >> >> >> What volume of mail are you looking to send per month? >> >> >> >> >> >> Thank you... AuthSMTP Support. >> >> >> >> >> >> >> >> >> --On 13 August 2010 14:20 +0100 [email protected] wrote: >> >> >> >> >> >> > Below is the result of your feedback form. It was submitted by >> >> >> > ([email protected]) on Friday, August 13, 2010 at 14:20:49 >> >> >> > ---------------------------------------------------------------- >> >> >> > --- --- --- -- >> >> >> > >> >> >> > >> >> >> > email_from: [email protected] >> >> >> > >> >> >> > email_program: postfix >> >> >> > >> >> >> > connection: broadband >> >> >> > >> >> >> > error: 500 5.0.0 Envelope From Address >> >> >> > >> >> >> > enquiry: Hi, >> >> >> > >> >> >> > I'm using mailing-list software (mailman) and aliases on my >> >> >> > domain, to respectively host project discussions and redirect >> >> >> > some of the domain addresses to various emails. >> >> >> > >> >> >> > However, the emails that are either distributed by the >> >> >> > mailing-list software or that are re-routed as a result of >> >> >> > matching an alias are rejected by authsmtp, as they are from >> >> >> > many different contributors on the mailing-list, or even from >> >> >> > any recipient in the case of aliases. >> >> >> > >> >> >> > How can I handle those cases? I obviously can't register every >> >> >> > contributor email (there are many of them, and the >> >> >> > mailing-list is public so people keep coming in), and I can't >> >> >> > know in advance who will write to one of the aliases emails... >> >> >> > >> >> >> > >> >> >> > Thanks in advance! >> >> >> > >> >> >> > Xavier. >> >> >> > >> >> >> > >> >> >> > name: Xavier Antoviaque >> >> >> > >> >> >> > Submit: Submit >> >> >> > >> >> >> > ---------------------------------------------------------------- >> >> >> > --- --- --- -- >> >> >> > >> >> >> > >> >> >> >> >> >> >> >> >> >> >> >> >> >> > >> >> > >> >> >> >> >> >> >> >> >> > >> > >> >> >> >> > >
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