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I'm new to the site and this is my first question. I hope it's OK to post here as I'm not an administrator, just an ordinary computer user!

This is my problem - For my work, I use an email address ending with my domain name. Several clients receive my mails labelled as possible spam, or they are bounced back as spam.

I understand this is because I use my ISP (a French company called Free) to send and receive email, and that the problem comes from the conflict between my @domainname.com email address and the smtp.free.fr

Free and the domain name host each say it's the other's problem and won't help. I contacted an IT guy who wasn't interested in the job.

Is there a simple solution I could implement myself? I've read answers to what seem to be similar problems, but don't properly understand them.

Thanks and best regards, Sandra

migrated from serverfault.com Aug 20 '17 at 11:34

This question came from our site for system and network administrators.

  • Do you have a server at home or do you pay someone for the email account? Or if you need to create a new user under your domain, where do you do that? – rovr138 Aug 20 '17 at 13:17
  • are you sending your mails to port 587 of smtp.free.fr? – meuh Aug 20 '17 at 18:47
  • Hi and thanks for your replies. I pay Free for the internet connection and I pay domaine.fr to host my .com domain name. If I need to create a new user, I do it via domaine.fr The outgoing port is 25 and the incoming port is 110. – Sandra Aug 21 '17 at 12:41
  • Hi again - I read the info about creating an SPF record. Who would I need to contact to get that done? Sorry about the dumb questions, I am really at a loss here! – Sandra Aug 24 '17 at 8:46
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The best solution would be to pick a email service provider and send all mail using their SMTP server (with on submission port 587 instead of STMP on port25) instead of ISP's SMTP servers. This way you can prevent no-one else for using your domain as a legitimate sender.

Then, you need to set up Sender Policy Framework (SPF) record for your domain. This you'd need to do even if you use ISP's SMTP server: you need to list the SMTP server as a permitted sender.

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