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The From name recipients see on your SMS is a Sender name. Older documentation and some carrier tools call the same thing a sender ID. Every workspace sends through one shared Israeli carrier account. Without a gate, any merchant could send under any other merchant’s brand, or under a bank’s. One phishing SMS would put the shared carrier account at risk and take SMS down for everyone. So Senderz screens every name before it can send.
An approved branded Sender name is required. There is no shared default and no fallback. A workspace with no active Sender name cannot send SMS at all, not even a test.

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Names Senderz keeps for itself

SENDER, INFO and SHOP are reserved for Senderz’s own login and verification codes. They are not available to your campaigns. You cannot request one, and setting one on a message fails exactly the same way an empty Sender name does. Do not plan around them.

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Requesting a name

1

Open the settings section

Go to Settings, then SMS Sender names. The onboarding wizard has the same step if you are still setting the workspace up.Only an owner or admin can request or remove a Sender name. Editors, designers and viewers can see the list but not change it.
2

Type the name

The format is 3 to 11 characters, letters, numbers and hyphens only. No spaces, no punctuation, no Hebrew characters. The Request button stays disabled until what you typed matches that format.A name you have already requested in this workspace is refused as a duplicate.
3

Screening decides

Most names go Active the moment you press Request, and you can send with them straight away. A name that could impersonate a brand is held for review instead.
4

Pick it on the message

Choose the name in the SMS composer or on an SMS template. The picker only lists names that are currently Active.
The carrier does not approve Sender names. Whatever Senderz sends as the From value ships as it is, so the screening is ours and it exists to stop impersonation. That is why a clean name activates in a second instead of sitting in a queue for days.

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What gets held for review

Screening ignores case, ignores hyphens, and unfolds common letter for digit swaps, so B4NK reads as bank and S3CURE reads as secure. A name is held for review when it contains any of these terms anywhere inside it:
bank, Hapoalim, Poalim, Leumi, Mizrahi, Tefahot, Benleumi, Discount, Isracard, Mastercard, Visa, PayPal, Paybox
gov, Mishtara, police, Tzahal, Bituach
Cellcom, Pelephone, Bezeq, Partner, Golan, Israelpost, Doar, FedEx, DHL
verify, verification, secure, security, sender, senderz
A short second list is matched only when it is the whole name, because these words are real brands but also ordinary words: cal, max, bit, hot, ups, idf, otp, code, pin, alert, admin. So MAX is held for review and MAXSTORE is not. A name that is already Active for a different workspace is held for review too.
Being on this list is not a rejection. It routes the request to a person instead of approving it automatically. If the name is genuinely yours, say so and it gets approved. A false positive costs you a wait, never a refusal.

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Status and timing

Review normally takes 24 to 48 hours. The workspace owner is emailed and a notification appears in the app either way, including when a name activates automatically. While a request is pending, the list refreshes about once a minute on its own, so you do not need to reload the page.

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Removing a name

You can remove a request while it is Pending approval. The row has a delete button. A name showing Needs changes cannot be removed. That row is the record of the decision. If it could be deleted, anyone could delete a revoked name and immediately request it again into a fresh automatic approval, which would undo the revocation silently. If your name was not approved, request a different one.

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Revoking an active name

Senderz can revoke a Sender name that is already Active if it turns out to be a problem. Once revoked, the name goes to Needs changes and every send using it fails. It does not quietly fall back to another name. The workspace owner is emailed and a notification appears in the app, telling you to switch your campaigns and automations to a different name.

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How the rule is enforced when you send

The Sender name is resolved at the moment of sending, before any SMS credits are held. A name that is not allowed reserves no credits, so there is nothing to refund. The same check runs on test sends, not just campaigns and automations. A test cannot slip past it. Your list of approved names is cached for up to a minute for speed, and the cache is cleared whenever a name is approved, rejected, revoked or removed. In practice a change applies immediately.

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Where you get stopped before send time

Senderz blocks the SMS path early rather than letting you build a campaign you cannot send.

Campaign wizard

Choosing SMS as the channel is blocked while you have no Active name, with a link straight to the settings section. If you only have a pending name, the wizard says so and offers to show its status. The content step will not continue until an approved name is selected.

Automation builder

The SMS step in the palette stays locked until the workspace has at least one Active name. The locked step links to Settings, then SMS Sender names.

Popup phone collection

Collecting phone numbers in a popup is gated on the SMS channel being on and a branded Sender name being approved.

Scheduling

Scheduling an SMS campaign runs the same check as sending, so a campaign with no approved name is refused at schedule time, not silently at fire time.

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Error messages you might see

SMS channel

Credits, the unsubscribe line, STOP handling and Israeli quiet hours.

Sender addresses and names

The email equivalent: verified From addresses and reusable From names.