SPF and forwarding

2015-07-25 Thread Alex
Hi, I have a postfix-2.10.5 server on fedora, and have several users that forward their mail through to gmail. This is apparently enough to break SPF and make gmail think I'm the originator of the email, instead of the actual sender. Consequently, gmail considers it spam and moves it to a spam fol

Re: SPF and forwarding

2015-07-25 Thread Mello, Cody
Hi Alex, A mail server that I operate had similar issues several years ago. Our solution was to stop users from forwarding, and make them use gmail's POP3 support for fetching mail. Whenever a new user gets their account set up, we ask them if they want to use our webmail interface or gmail, and h

Re: SPF and forwarding

2015-07-25 Thread Sebastian Nielsen
eddelande- From: Alex Sent: Sunday, July 26, 2015 3:04 AM To: postfix users list Subject: SPF and forwarding Hi, I have a postfix-2.10.5 server on fedora, and have several users that forward their mail through to gmail. This is apparently enough to break SPF and make gmail think I

Re: SPF and forwarding

2015-07-25 Thread Robert Schetterer
Am 26.07.2015 um 03:04 schrieb Alex: > Hi, > > I have a postfix-2.10.5 server on fedora, and have several users that > forward their mail through to gmail. This is apparently enough to > break SPF and make gmail think I'm the originator of the email, > instead of the actual sender. Consequently, g

Re: SPF and forwarding

2015-07-26 Thread A. Schulze
Alex: This is apparently enough to break SPF and make gmail think I'm the originator of the email, instead of the actual sender. Consequently, gmail considers it spam and moves it to a spam folder. there is a MAAWG recommendation document: https://www.m3aawg.org/documents/en/m3aawg-email-f

Re: SPF and forwarding

2015-07-26 Thread Andrew Beverley
On Sat, 2015-07-25 at 21:04 -0400, Alex wrote: > I have a postfix-2.10.5 server on fedora, and have several users that > forward their mail through to gmail. This is apparently enough to > break SPF and make gmail think I'm the originator of the email, > instead of the actual sender. Consequently,

Re: SPF and forwarding

2015-07-26 Thread Alex Regan
Hi, On 07/26/2015 01:34 AM, Robert Schetterer wrote: Am 26.07.2015 um 03:04 schrieb Alex: Hi, I have a postfix-2.10.5 server on fedora, and have several users that forward their mail through to gmail. This is apparently enough to break SPF and make gmail think I'm the originator of the email,

Re: SPF and forwarding

2015-07-27 Thread Alex
Hi, On Sun, Jul 26, 2015 at 7:50 AM, Andrew Beverley wrote: > On Sat, 2015-07-25 at 21:04 -0400, Alex wrote: >> I have a postfix-2.10.5 server on fedora, and have several users that >> forward their mail through to gmail. This is apparently enough to >> break SPF and make gmail think I'm the orig

Re: SPF and forwarding

2015-07-27 Thread Andrew Beverley
On Mon, 2015-07-27 at 09:16 -0400, Alex wrote: > Hi, > > On Sun, Jul 26, 2015 at 7:50 AM, Andrew Beverley wrote: > > On Sat, 2015-07-25 at 21:04 -0400, Alex wrote: > > > I have a postfix-2.10.5 server on fedora, and have several users that > > > forward their mail through to gmail. This is appare

Re: SPF and forwarding

2015-07-28 Thread Andrew Beverley
On Tue, 2015-07-28 at 16:50 -0400, Alex wrote: > Hi Andrew, > > > > This requires that you have access to the account from which the email > > > is being forwarded, correct? In my case, it is a single remote sender > > > that is being forwarded on to gmail. > > > > No, you need access to the acco