- Help & API
My DKIM Won't Verify
Mar 23, 2017 11:29AM EDT
Q: Why won't my DKIM record verify? A: While configuring your Sending Domains, you need to "verify" that the ...Read more
Why do we need to configure DKIM to send anything?
Mar 23, 2017 11:21AM EDT
Q: I tried sending after configuring my sending domain but it didn't go through. I'm getting the error that it...Read more
Mar 06, 2017 10:12AM EST
It can take a minute for suppression events like spam complaints, unsubscribe requests, and hard bounces (perm...Read more
554 5.7.1 - Recipient address was suppressed due to system policy
Jan 25, 2017 04:25PM EST
The "system policy' that this error is referring to is actually our suppression list. SparkPost has its own su...Read more
How Are Messages Retried?
Jan 25, 2017 04:30PM EST
Both SparkPost and SparkPost Enterprise employ the same settings for message retries, including message expira...Read more
After Receiving a 250 OK, Why Are Messages Being Rejected?
Nov 22, 2016 06:39PM EST
Q: I receive a 250 OK when injecting into the system through SMTP, but the message shows up as rejected in the...Read more
SMTP Connection Problems
Jan 25, 2017 04:36PM EST
If you are having problems connecting to SparkPost over SMTP, here's a checklist of things to verify: The S...Read more
Daily and Monthly Quota Limits
Mar 21, 2017 03:40PM EDT
Each SparkPost account has a daily and monthly quota based on the current plan level. These represent the num...Read more
Relaying Denied error
Nov 13, 2015 04:53PM EST
If you are getting a 'Relaying denied' error while trying to connect to smtp.sparkpostmail.com, it is likely b...Read more
How Do I Access the REST APIs?
Nov 22, 2016 06:43PM EST
Q: What URL do I use to access the REST APIs? A: The REST APIs can be accessed at https://api.sparkpost.com/a...Read more