FAQs
Answers to frequently asked questions.
16 articles
My emails are sending with a delayWhy emails may go out later than scheduled, and what it means for deliverability.
I get an authentication error (535 / IMAP) when connecting my mailboxFixing "authentication failed" / 535 / IMAP connection failures when adding a mailbox to a sequencer.
My mailbox was deactivatedThe two common reasons a mailbox is deactivated (billing or sending limit) and how to reactivate.
My domain shows "missing MX records" or I'm not getting repliesWhat to do when a domain looks inactive / missing MX or replies aren't arriving.
My accounts got disconnected from SmartleadWhy Smartlead can disconnect inboxes and how to reconnect them.
Why am I charged for a replacement domain?Domains are free at setup; replacing a domain costs $15. How that differs from transfers.
My domains are listed on SURBL / a blacklist — what should I do?Quick answer: SURBL doesn't affect inbox placement in 2026; keep sending.
Can I add a profile picture to my mailboxes?Profile pictures are supported on Google Workspace mailboxes only, not SMTP.
Can I forward my replies to my personal Gmail or Outlook?How forwarding works for SMTP vs Google Workspace mailboxes and how to route replies to a personal inbox.
Why does the recipient see a different sender or domain? (mailbox rotation)Intelligent mailbox rotation is intentional; replies still route back to the original mailbox.
One of my sending IPs shows as blacklistedIP rotation means tools may flag a previously-used IP; UCEPROTECT can be ignored.
Instantly is asking for a verification code — where does it go?Verification codes go to the individual mailbox, not the Master Inbox.
My domain shows "MANUALLY DISABLED" — can it be reactivated?What MANUALLY DISABLED means: registry-suspended TLDs (.online/.xyz/.site) can't be reactivated; internal disables can.
Logging in to your Google Workspace mailboxes (password and one-time code)Where to find the username, password, and one-time code for your Google Workspace mailboxes, and why IMAP settings may appear blank.
Why are my mailboxes or domains suddenly disconnected, inactive, or missing?A quick guide to the most common reasons your mailboxes or domains can suddenly show as disconnected, inactive, or missing — and how to get everything reconnected.
Landing in the inbox with Outlook and Microsoft recipientsHow to improve inbox placement when you email Outlook, Hotmail, Live, and Microsoft 365 recipients with your Maildoso mailboxes.