SMTP Gateway Not Responding
Although everything runs smoothly for the most part, there is the potential to run into problems. One of the most common ones is the SMTP gateway not responding. Below are a few solutions you can try if you get this error.
Check your DNS and gateway settings
Incorrect DNS and gateway settings can cause this error to pop up. All you have to do is look at your settings and change them to the correct ones for your purposes. Since the settings contain long strings of numbers, all it takes is one typo for the gateway not to respond.
MORE: SMTP relay service
Check your provider’s IP address
SMTP gateway service providers can sometimes change their IP addresses without notice. If yours has done so, it’ll cause your SMTP gateway not to respond anymore. Contact your provider to get the updated IP address so you can resolve the issue.
MORE: Office 365 smtp settings
Read your provider’s FAQs
If neither of the above solutions works, give your provider’s support portal a look. Since “SMTP gateway not responding” is a familiar problem for many, your provider may have other fixes available in their FAQs.
MORE: What is SMTP relay
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