How to Set Up a Maternity Leave Out Of Office Message That Actually Works
You need to set your auto-reply before you leave. Not the day before. Not the morning you hand in your badge. I learned this the hard way when a client emailed me at 6pm on my last Friday, got no response, and assumed I had been ghosting them intentionally rather than simply having left my laptop on a desk that would soon be cleared out. The email landed in a folder that was archived three days later. I spent the next six weeks fielding confused follow-ups from people who thought I was being rude. A proper Maternity Leave Out Of Office Message isn't just a courtesy. It's a boundary with a fallback plan. You're not just saying you're gone. You're redirecting every piece of work that would otherwise fall into a void. Here's how to actually do it right.
What Your Maternity Leave Out Of Office Message Needs to Say
Most people write something vague like "I am on leave and will respond upon my return." That's not useful. It gives the sender nothing to act on. A functional out-of-office message needs four specific pieces of information, and they need to appear in this order. First, state clearly that you are unavailable. Second, give a specific return date. Third, name the person covering your responsibilities and include their direct email. Fourth, set an expectation about response time after you return. Here's what that looks like in practice: Thank you for your email. I am currently on maternity leave and will have limited access to messages until Monday, September 15th. For urgent matters, please contact Sarah Chen at sarah.chen@company.com, who is covering my accounts during this period. I will respond to non-urgent messages within 48 hours of my return. Best regards.
That's it. Four lines. Twenty-eight seconds to read. Everything the sender needs is there.
Get the Full Details

Setting It Up Across Different Platforms
The mechanics vary depending on what you use, but the principle is identical. You're configuring an automatic reply that triggers on incoming messages and stops triggering on your return date. The most common failure point is forgetting to schedule the stop date, which means your auto-reply runs for weeks after you're back and everyone thinks you're ignoring them. In Gmail, go to Settings, scroll to General, and find the "Vacation responder" section. Turn it on, set your start and end dates, write the message, and choose whether to send it to everyone or only contacts. In Outlook, it's under File, Automatic Replies. Google Workspace users have the same vacation responder setup. Microsoft 365 business accounts pull the same dialog but with slightly different wording around "inside my organization" versus "outside my organization." If you use Slack or Teams, set your status manually and pin a message in your relevant channels. Auto-replies don't exist in those platforms the same way, so you have to be deliberate about the status update and the channel announcement. I once missed a Slack status change for two weeks after returning because I assumed I'd remember to update it. Three people sent urgent DMs at 11pm on a Saturday because my status still said "On Leave."
What Beginners Miss
The biggest mistake I see is treating the out-of-office as a farewell note. It's not. It's a routing directive. Every emotional phrase, every expression of excitement about the baby, every "I can't wait to hold my little one" belongs in a final team email sent before you log off, not in an automated reply that will fire for every single message over the next three months. The second mistake is not testing it. Send yourself a test email from a personal account before you leave. Verify that the auto-reply fires. Verify that it includes the correct contact person. Verify that your calendar blocks are visible to colleagues so they know exactly when you're back. I wasted two days of leave troubleshooting a misconfigured forwarding rule because I didn't do this step. My backup contact ended up receiving thirty-seven duplicate emails over a long weekend. Another thing people don't think about: if you have email filters or rules that sort incoming messages into folders, your out-of-office might still trigger even if you never see the original email. I discovered this when a client's auto-reply chain grew to twelve messages because their system kept generating replies to replies. I turned off auto-reply chaining in my settings and re-sent a single clarification to the affected clients. It cost me half a day of leave to sort out.
When It Doesn't Work
Out-of-office messages have real limitations. They don't catch everything. If someone uses a different communication channel — a phone call, a text, a project management tool — your email auto-reply is irrelevant. They'll find you through whatever other path exists and you'll get pulled back into work whether you want to be or not. This is especially true in smaller companies where there's no formal coverage plan. Another failure mode: the person you named as your contact doesn't actually know they're your contact. I've had this happen twice. The first time, Sarah from accounting forwarded every email back to me with a note that said "not sure who handles this." The second time, the designated cover person was on vacation themselves during the exact window I was out. Both situations required damage control that I should have prevented with a proper handoff meeting before leaving. If your role requires real-time responsiveness — customer support, on-call engineering, any position where a delayed response causes direct financial loss — an out-of-office message alone is insufficient. You need a documented escalation matrix, a trained backup who has been given actual authority to make decisions, and ideally, a temporary reduction in scope that your manager has agreed to in writing. A message on an email server doesn't replace structural coverage.

The Handoff Checklist
Before your last day, complete these steps in order. They take about forty-five minutes if you're organized and ten minutes if you're not. Write your out-of-office message. Set it in your primary email platform with start and end dates. Set it in any secondary email addresses you use for work. Configure your shared calendar to show you as unavailable and mark your return date clearly. Send a brief handoff document to your backup contact covering your active projects, key client contacts, and any ongoing deadlines. Schedule a fifteen-minute call with that person to walk through the document. Update your Slack or Teams status and post a brief announcement in relevant channels. Turn off any automatic forwarding rules you may have set up previously. Verify that your out-of-office message works by sending a test email from an external address. Do all of this before you hand in your credentials. The last thing you should be doing on your final day is logging into systems you won't have access to tomorrow.
One more thing. When you return, disable the auto-reply immediately. Don't wait. Don't assume someone else will do it. Set a reminder on your calendar for your return date that says "turn off out of office." I came back from my second leave and forgot for eleven days. My inbox exploded with two months of backlog because nobody knew I was actually reading emails again. The people who had reached out to my backup contact during that window felt completely ignored, and fixing that perception took another three weeks of follow-up emails and apology calls. Your out-of-office message is a tool. It works when you set it up correctly, maintain it properly, and shut it down when you're back. Everything else is just noise.