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FAQ (3)

Frequently asked questions about our service

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 Sending limits / rate-limiting

Our MailChannels system is adaptive and there is no pre-set limit to how many emails you can send...

 Is there any maximum attachment size?

MailChannels doesn't set the maximum message size as we only broker those emails between the...

 How is the billing/usage calculated?

Billing is based on the number of messages that goes through MailChannels Relay servers, this...