Email + calendar sync
A 1,000-emails-per-day per-rep ceiling and a global throttle that quietly pauses sends — exactly when your campaign needs to go out.
What people actually say
✕The maximum daily send limit is 1,000 emails per 24 hours rolling, with an absolute cap of 5,000 emails per week per mailbox across the platform, the Chrome extension and the Outlook add-in.
Source: Outreach Support, email limits and safeguards ↗✕Delayed Email Global Throttle Limit errors are a documented failure mode — sends pile up waiting on a shared throttle rather than going out when reps scheduled them.
Source: Outreach Support, global throttle limit error ↗✕Frequent bugs affecting email sync and Salesforce exports are a recurring theme across G2 and Reddit, with reps losing time chasing why a touch never went out.
Source: Salesforge, Outreach review analysis ↗
Inbox sync via Microsoft Graph and Gmail API directly into Postgres — your throttle, your rules, your sending reputation. Calendar holds run through the same OAuth grant and a tiny Next.js scheduler. No shared global throttle pausing your campaign because another customer's domain is on fire.