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Multiple mail servers and reverse DNS
leeeennyy asked: If I have three mail servers MS1, MS2 and MS3 all with different IPs but share the same domain name (exampledomain.com) and I use an SPF record to specify them, how would reverse DNS...
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Multiple TXT fields for same subdomain
chrisvdb asked: I would like to understand if multiple TXT records for the same subdomain are ok or could lead to issues. In particular, we have the requirement for one SPF record and one Google...
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How to configure SPF to pass local IP address?
user46688 asked: I have a database CentOS 7 server connected to an application CentOS 7 server via a cross connect cable. The mail server resides in the application server, with the following SPF...
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Received-SPF: neutral
Ed H. asked: When I send emails from my application I am getting a spf neutral error. I have been working with Google and my hosting company, but none of them can figure it out. Below is my spf...
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SPF Records and Too many DNS lookups
Jayson Lane asked: It’s been suggested to me that I configure SPF records for my domain and I have done so. I use gsuite for email and have mx records properly configured to send mail via gsuite. My...
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SPF errors when sending emails
Branislav B. asked: I setup a mail server on mail.mydomain.com. I am able to receive email. Problem occurs when i try to send an email. I have two servers: mail.mydomain.com – which is on different ip...
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Join multiple SPF in one string
Hart asked: I’ve read other thread about it but I’ve 2 different string with some parameters in only one (MX) so i ask some help to join in one string only in the correct way. 1) "v=spf1...
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SPF: Is ?all safe, and is it any different from having no policy at all?
Chris asked: A company I started working with had no SPF records on their domain. They are using multiple services (Google Apps and Shopify) that are sending e-mails from the company’s domain with the...
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AWS SES requirements on custom MAIL FROM domain
user2959071 asked: According to the docs, AWS SES has some requirements on what is an allowable MAIL FROM domain: The subdomain you use for your MAIL FROM domain has to meet the following...
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Add SPF record for multiple systems in different servers
Aragon S asked: I have a domain with a published SPF record (v=spf1 a mx ip4:xx.xxx.xxx.25 ~all) for it (e.g: xyz.com) also this domain has four subdomains: sub1.xyz.com xx.xxx.xxx.29 sub2.xyz.com...
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