Site operations · Keep sites running, retain customers
Transactional Email & SMTP
Getting a site's own mail delivered — password resets, order receipts, form notifications. PHP mail() from a shared IP lands in spam, so hosts and site owners route through an authenticated relay instead. Distinct from the mailbox hosting in the Email layer.
1 of 435 hosts reporting in this layer · layer reference →
1 In-house 1 host · 100%
2 
Amazon SES
· Amazon no reports yet
Amazon SES
· Amazon no reports yet 3 
Brevo no reports yet
Brevo no reports yet 4 
FluentSMTP
· WPManageNinja no reports yet
FluentSMTP
· WPManageNinja no reports yet 5 
Mailgun
· Sinch no reports yet
Mailgun
· Sinch no reports yet 6 
Post SMTP no reports yet
Post SMTP no reports yet 7 
Postmark
· ActiveCampaign no reports yet
Postmark
· ActiveCampaign no reports yet 8 
Resend no reports yet
Resend no reports yet 9 
SendGrid
· Twilio no reports yet
SendGrid
· Twilio no reports yet 10 
Softaculous SMTP
· Softaculous no reports yet
Softaculous SMTP
· Softaculous no reports yet 11 
WP Mail SMTP
· Awesome Motive no reports yet
WP Mail SMTP
· Awesome Motive no reports yet Each published host counts once in this layer. Share = percentage of the 1 hosts reporting here that run the product; bars are scaled to the layer leader. Self-reported and unaudited.