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Connect a mailbox from a provider we hold no ready-made settings for, by typing its SMTP and IMAP details in yourself, so your agents can send from it.
Where
Integrations→Integrations→Email Accounts
Your role needs
Read access to Email Accounts read-senders. Admin, Member and Viewer have it by default.
To create or change
create-senders to add one, update-senders to change one, on top of the permission above.
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Before you begin

  • The six connection values from your provider: host, port and security type for sending (SMTP), and the same three for receiving (IMAP). The Other (any) tile carries no preset, so none of them are filled in for you.
  • The password you sign in to that mailbox with.
  • A port we accept. Sending must use 465, 587 or 25, and receiving must use 993 or 43. A mailbox on any other port is refused before a connection is attempted.
  • IMAP switched on for the mailbox. Sending is only half the check.

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Connect the mailbox

1

Open the provider list

Go to and choose Add senders. On the panel, choose Connect your email.Gmail and Outlook lead as their own cards. Everything else sits in the All providers grid below them. Choose Other (any): the tile with an inbox icon instead of a logo, and the only one that arrives with no server settings behind it.
2

Enter your account details

The wizard opens on Your account. Put the mailbox address in Email address, and the name recipients should see in Sender name; the name on your own account is filled in there already, so change it only if you want something else. The helper under the field says where it ends up: shown as the “From” name on your emails. Choose Continue.
3

Enter the mailbox password

The next screen asks for Email password: the one you use to sign in to this mailbox. Other (any) has no app-password step, unlike the tiles for providers we know require one. If yours issues app-specific passwords, generate the code there and paste that instead. Choose Continue.
4

Fill in the server settings by hand

Because the tile has no preset, Server settings always appears. Fill in SMTP host, SMTP port and SMTP security for sending, then IMAP host, IMAP port and IMAP security for reading replies. The screen says where to find them: your provider’s help pages, usually under “SMTP and IMAP settings”. All six are required: the button below them stays disabled, and says why, until every one is filled.SMTP port accepts 465, 587 or 25, and IMAP port accepts 993 or 43. Both security fields offer SSL, TLS and None.
Port and security are not one switch. When we test the connection we work the security out from the port you entered: 465 as SSL, 587 as TLS, 25 as none for sending, and 993 as TLS, 43 as none for receiving. So an unusual pairing is not what actually gets tested. The account is then saved with the types you chose, and those are what it sends with: for sending we open an encrypted connection up front only when SMTP security is SSL, while for receiving we do it for anything other than None. Use the pairing your provider documents and the two never disagree.
5

Verify the connection

Choose Verify connection. We open a real connection to the mailbox for sending and for receiving, because a mailbox that can send but never receive would never show you a reply. A successful check saves the account for you. There is no separate save step.When the check cannot reach the server, or fails for a reason it does not recognise, it offers the usual port-and-security pairings as one-click chips: 465 with SSL, 587 with TLS, leaving out whichever pair you already have. Choosing one changes the setting and retries straight away.

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What happens next

A panel reads “Your email is connected” with the mailbox address under it. Choose Done, and the mailbox is on the Email Accounts page.
An account connected through this wizard arrives with no sending hours, so its row shows No Schedule rather than Active. That chip is not decoration: a send only goes out when the current day and time fall inside one of the account’s sending hours, so nothing sends until you set them. The chip is a link: it opens that account’s schedule section. Sender settings covers the fields there. Once the schedule exists the row shows No Campaigns until a campaign is attached to the account, and Active after that. A brand-new mailbox does not send at full volume even then. See Smart Daily Limit for how the daily number is worked out, and The quarantine and ramp-up for new mailboxes for what to expect in the first weeks. Everything you typed is on the account’s own form afterwards. Open it from Email Accounts and the first section holds the same values as separate fields. On a mailbox connected this way the sending and receiving boxes are open from the start. The form only folds them away when it recognises the host as one of the presets, and yours is not one. Two things live on that form and not in the wizard: a Check Connection button that re-tests the account without recreating it, and a “Receive replies to a different email account” checkbox. Tick that one and the username and password you give it are what we log in to the inbox with, instead of the sending credentials.

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Troubleshooting

Your provider rejected this address and password together, so check both. Choose Re-enter password to go back to the field. Nothing you typed is lost.A partly copied password fails exactly like a wrong one. If your provider issues app-specific passwords, the screen’s own advice is to generate a fresh one and paste that.
Sending only works when we can also read replies, and the receiving side of the check failed. The screen walks you through the usual cause: open your mailbox settings at your provider, find the IMAP section (sometimes labelled “external access”) and turn it on, then come back and choose Try again. If IMAP is already on, check the receiving host and port before retrying.
This is the failure you get from the account’s own form rather than the wizard, after Check Connection. The message names each side that refused (SMTP, IMAP or both) and quotes the reason that server gave back, so you can fix the fields in place and re-test without recreating the account. A request that fails outright, rather than coming back with a result, shows that error’s own message instead.

Add senders

Connect, import a CSV, or order managed infrastructure: how to choose between them.

Sender settings

Every field in the account form, including the schedule this wizard does not create.

Reconnect an email account

What Reconnect actually does, and every Error message explained.

Error messages glossary

Every user-visible error string, in one alphabetical list, each pointing at the page that explains it.