Re: [mailop] Gmail POP3/SMTP and issue with SPF record

It appears that Christos Chatzaras via mailop said: >When they send e-mails between their e-mail accounts we have this: > >https://dpaste.com/8MNNRGMX4.txt > >Looks like 209.85.216.48 which is a Gmail POP3 client is used as "sender IP" >and because we don't include include:_spf.google.com in the

Re: [mailop] Gmail POP3/SMTP and issue with SPF record

SPF should be checked against the connecting IP, but because that's not a viable option with a POP3 import Google does this horrible thing of checking a Received header and comparing SPF there. The only way to fix this is to build your infrastructure around the entire concept and potentially br

Re: [mailop] Gmail POP3/SMTP and issue with SPF record

To make it more clear: 1) Customer logins to Gmail and sends e-mail from to supp...@elmetal.gr to sa...@elmetal.gr using our SMTP (server13.cretaforce.gr) 2) Customer logins to other Gmail account and receives the above e-mail. Both supp...@elmetal.gr and sa...@elmetal.gr are on the same server

Re: [mailop] Gmail POP3/SMTP and issue with SPF record

> On 22 Feb 2022, at 18:39, Bastian Blank via mailop wrote: > > On Tue, Feb 22, 2022 at 02:38:31PM +, Laura Atkins via mailop wrote: >> Very strange indeed. web-net.gr is not in any header >> that I could see. Is there something in the links pointing to that? > > Bec

Re: [mailop] Gmail POP3/SMTP and issue with SPF record

On Tue, Feb 22, 2022 at 02:38:31PM +, Laura Atkins via mailop wrote: > Very strange indeed. web-net.gr is not in any header > that I could see. Is there something in the links pointing to that? Because "web-net.gr" should be the Name of the Google organization, which mig

Re: [mailop] Gmail POP3/SMTP and issue with SPF record

Hi On Tue, Feb 22, 2022 at 03:58:50PM +0200, Christos Chatzaras via mailop wrote: > https://dpaste.com/8MNNRGMX4.txt > Looks like 209.85.216.48 which is a Gmail POP3 client is used as "sender IP" > and because we don't include include:_spf.google.com in the SPF record it > shows this warning: N

Re: [mailop] Gmail POP3/SMTP and issue with SPF record

> On 22 Feb 2022, at 13:58, Christos Chatzaras via mailop > wrote: > > Hello, > > I have a customer that fetches his e-mails to Gmail accounts using POP3. And > also he configured Gmail accounts to send e-mails using our SMTP. > > When they send e-mails between their e-mail accounts we have

[mailop] Gmail POP3/SMTP and issue with SPF record

Hello, I have a customer that fetches his e-mails to Gmail accounts using POP3. And also he configured Gmail accounts to send e-mails using our SMTP. When they send e-mails between their e-mail accounts we have this: https://dpaste.com/8MNNRGMX4.txt Looks like 209.85.216.48 which is a Gmail PO