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Connect any other mailbox (SMTP / IMAP)

Any mailbox that offers SMTP (sending) and IMAP (receiving) can be warmed up: Zoho, Yahoo, Fastmail, your hosting company's email or your own mail server. Your provider's help pages list the server names and ports.

  1. 1

    Choose Other provider

    In WarmupHero, click Add mailbox and choose Other provider.

    The Connect a mailbox dialog listing Google, Microsoft 365, Google with app password, GoDaddy and Other provider
  2. 2

    Enter the mailbox and server details

    Fill in the sender's name, the email address and password, and the SMTP and IMAP host and port. Most providers use port 465 (SSL) for SMTP and 993 (SSL) for IMAP.

    If your provider uses a different username or password for sending and receiving, tick SMTP and IMAP use different credentials.

    Click Connect and start warmup. WarmupHero tests the connection before saving it. If the test fails, check the hosts, ports and password with your provider.

    The SMTP / IMAP connection form
If your mailbox is already connected in SmartReach, you may see Already connected this mailbox in SmartReach?. Use the SmartReach mailboxes tab to connect it without typing the password again.

Related guides

Still stuck? Email support@warmuphero.com and tell us which mailbox you're connecting.