The Guide
Email guides: SPF, DKIM, DMARC and deliverability
Set up SPF, DKIM and DMARC correctly, handle spam complaints and keep your campaigns out of the junk folder.
Email that does not arrive costs sales. These guides show how to authenticate your domain, add a new sender without breaking your SPF record, read DMARC reports and review cleaned or complaining contacts before your next campaign.
16 articles

Email · 2 min
Contain outbound spam after a cPanel SMTP account compromise
Smiley Hoster Team · November 15, 2026
Email · 2 min
BIMI, VMC and CMC: prepare your company logo for Gmail
Smiley Hoster Team · November 14, 2026
Email · 2 min
Move to DMARC p=reject without blocking legitimate senders
Smiley Hoster Team · November 13, 2026
Email · 2 min
Gmail, Outlook and Yahoo in 2026: check delivery before scaling email
Smiley Hoster Team · November 12, 2026
Email · 5 min
Check where replies to your emails arrive
Smiley Hoster Team · October 26, 2026
Email · 2 min
Check where your Mailchimp campaign links lead
Smiley Hoster Team · October 25, 2026
Email · 2 min
Review a Mailchimp campaign before your next send
Smiley Hoster Team · October 24, 2026
Email · 2 min
Test double opt-in on your Mailchimp signup form
Smiley Hoster Team · October 23, 2026
Email · 5 min
Test Mailchimp unsubscribes before a campaign
Smiley Hoster Team · October 22, 2026
Email · 4 min
Authenticate a Mailchimp domain before a campaign
Smiley Hoster Team · October 21, 2026
Email · 5 min
Review cleaned Mailchimp contacts before your next campaign
Smiley Hoster Team · September 25, 2026
Email · 2 min
Investigate a Mailchimp spam complaint before sending again
Smiley Hoster Team · September 25, 2026
Email · 2 min
Add an email sender without creating a second SPF record
Smiley Hoster Team · September 24, 2026
Email · 4 min
Verify DKIM signing on an email sent by your website
Smiley Hoster Team · September 23, 2026
Email · 5 min
Start DMARC reporting on a domain without a policy
Smiley Hoster Team · September 23, 2026
Email · 2 min