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(event webhooks)Be notified in real time when something happens in your account: email delivered, bounce, new contact, SMS delivered…Settings → Webhooks menu, or

tip: check your bounce folder... Read more How do I create an automatic email when a contact subscribes? A welcome email — sent automatically the moment a new

interested in: How Are Email Bounces Defined? An email bounce is a notification that your message couldn't be delivered. There are two kinds — and treating them

Mailpro’s segmentation and automatic bounce handling keep your list healthy, so every campaign reaches engaged contacts. Start free with Mailpro See Mailpro

in... Read more How to Fix Error 451 (Local Policy Violation or Greylisting) SMTP error 451 is a soft bounce: the receiving server is asking to try again later

sendingOpt-in, unsubscribe link requiredTrackingDelivery + click on shortened linksOpen, click, bounce, unsubscribe, conversionsWhen SMS winsOrder confirmations and

, a blacklist hit, or a high bounce or complaint rate. Address it before your next send. What changes your score the most The fastest way to move from Fair to

identify... Read more How to Fix Error 451 (Local Policy Violation or Greylisting) SMTP error 451 is a soft bounce: the receiving server is asking to try again

over to the recipient's server (single sends via API, SMTP and automation) email.opened, email.clicked email.bounced — bounce; email.dropped — dropped before

meaningful. To give you an honest reading of your sending health, the Center waits until it has enough signals from real campaigns: bounce patterns, engagement