sending mail from our mail server
Hi
I installed Postfix as mail server for our office.our users can send mail to another on our domain,but they can not send to gmail account, and gmail sends a massage as following : host gmail-smtp-in.l.google.com[74.125.79.27] said: 550-5.7.1 [85.185.238.100] The IP you're using to send mail is not authorized 550-5.7.1 to send email directly to our servers. Please use the SMTP 550-5.7.1 relay at your service provider instead. Learn more at 550 5.7.1 how can users send mail to gmail account ?? thanks for your any help |
To use most smtp servers, you need to have a static IP.
If you have a dynamic IP it is rejected (spam) So use the SMTP from your provider => smarthost |
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Regards, MaaS |
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But I have Public and static IP for our server thanks for any help or guidance |
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sometimes you need to have reverse DNS setup in order to sent mail. |
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