self mail hosting

self mail hosting

E.S. Rosenberg esr+linux-il at g.jct.ac.il
Sun Jun 8 17:47:18 IDT 2014


2014-06-08 14:22 GMT+03:00 Efraim Flashner <efraim.flashner at gmail.com>:

> using netvision's smart host shouldn't change my from or reply-to
> something at netvision?
>
No, as long as you are an authenticated user it should pass whetever mail
you want, it may or may not be flagged as 100% trustworthy since it won't
be your "official" smtp server, but you may be able to set policies that
declare that it is a trusted origin server. (
You can for instance also send you @gmail mail through a smarthost, but it
will result in a warning showing in gmail that the mail may not be from the
person since the mail came from a non-google smtp server.
Also note that the smart host will most likely not use TLS for
communication between smtp servers (it may use it for you>smarthost,
depending on how good your ISP is), but you would anyhow only be able to do
that if you are willing to shell out the required money to get a signed
certificate (self signed is nice for testing but 3rd parties will never
accept them [as they should]).

By the way does your ISP even allow incoming port 25 traffic? They
generally block that in an attempt to stymie spam.
(Outgoing is often only through the smarthost while incoming is generally
completely blocked).
Regards,
Eliyahu - אליהו

>
>
> On Sun, 8 Jun 2014 13:31:24 +0300
> "E.S. Rosenberg" <esr+linux-il at g.jct.ac.il> wrote:
>
> > If you use your ISPs' smart host you should also be OK...
> >
> >
> > 2014-06-08 12:45 GMT+03:00 Vitaly <linux at karasik.org>:
> >
> > > You can get static IP for just about 15NIS/month, I have one from
> > > 012. Regards
> > > Vitaly
> > >
> > >
> > > On Sun, Jun 8, 2014 at 12:27 PM, Efraim Flashner <
> > > efraim.flashner at gmail.com> wrote:
> > >
> > >> I've registered a domain and set up my raspberry pi to recieve and
> > >> send emails.  Everything seems to be working fine, except that
> > >> emails that I send to gmail get rejected by google.  I've been
> > >> told that google rejects email where the reverse-dns doesn't match
> > >> the dns record, and because I don't have a static IP address
> > >> there's not much I can do.
> > >>
> > >> Has anyone had success getting a static IP address without too much
> > >> hassle? Currently I'm getting my internet through netvision, but we
> > >> were planning on switching to 018 for their cheaper prices.
> > >>
> > >> Getting a static IP address seems like it would be the easiest
> > >> option, followed by reconfiguring postfix to use a SMTP relay to
> > >> send mail through another server, but I'd need to make sure that
> > >> the header isn't changed (too much) if I do that.  Also I've found
> > >> keeping my sanity involves interacting with Israeli beaurocracy as
> > >> little as possible, so I'd rather not call netvision for a static
> > >> IP since I'm planning on leaving them anyway.
> > >>
> > >> If anyone has any experience doing their own mail and want to
> > >> share, I'd love to hear about it.
> > >>
> > >> -Efraim
> > >>
> > >> _______________________________________________
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> > >>
> > >>
> > >
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>
>
>
> --
> Efraim Flashner
> efraim.flashner at gmail.com 4096R/CA3D8351 created: 2013-10-08
> GPG key = A28B F40C 3E55 1372 662D  14F7 41AA E7DC CA3D 8351
>
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