Last updated: September 2026
Before admission, one email may have shaped whether a prospective advisor was willing to discuss your application — the contact email covered that. Now you’re enrolled, and the situation has flipped. You’ll write to your professor dozens of times a semester: to ask for a meeting, to send a draft, to explain an absence, to ask a question you’re slightly embarrassed to ask. Most of these emails will not decide your future on their own. All of them, together, will decide how your professor experiences working with you.
I’m a PhD student at a Korean national university, and I run a free tutoring group for international graduate students. Emails to professors are the single most common thing people bring me — not because the students’ Korean is weak, but because the expectations are unwritten. Korean professors rarely say “please don’t message me at 11 p.m. on KakaoTalk.” They just quietly form an impression. This guide writes the expectations down.
Why the Stakes Are Different Now
The contact email had one job: earn a reply. The enrolled-student email has a different job: make it effortless for a busy person to help you. That changes everything about how you write. Before admission, you were a stranger proving research fit; now you are a member of a small hierarchical community, and your emails are read as evidence of how you’ll behave in it — whether you understand your position, whether you respect the professor’s time, whether you can be trusted with responsibility.
The good news: the bar is low and the patterns are learnable. A correct, boring email is a genuine asset. An overly familiar one can create an unnecessary bad impression.
The rule above all rules: everything below is a set of safe defaults, not nationwide regulations. Professors, labs, and departments differ. If your professor, lab, or department has established a different channel or style, follow the local pattern.
Should You Write in Korean or English?
If your program is English-taught and your professor writes to you in English, write in English. Everything else in this guide about tone, timing, and channel still applies — Korean expectations don’t disappear when the language switches.
If your professor writes in Korean and you can answer clearly in Korean, doing so is a considerate choice: a grammatically shaky Korean reply that gets the honorifics right reads as respect. But clarity comes first. If using Korean would make an important explanation — a research question, a deadline problem, anything involving ethics or money — inaccurate or ambiguous, reply in English, perhaps with a brief Korean note. One line does the job:
정확한 전달을 위해 영어로 답변드리는 점 양해 부탁드립니다.
Please excuse me for replying in English so that I can communicate this accurately.
A Korean greeting and closing with an English body may be acceptable if English is already used in your program or relationship. Whatever you choose, don’t switch languages within a sentence.
The Anatomy of a Korean Email to a Professor
Subject line: make yourself sortable
Korean academic inboxes are triaged by subject line. A reliable format is [affiliation or course + name] + purpose.
[국어국문학과 석사과정 Maria Silva] 논문 지도 면담 요청드립니다
Everything the professor needs is visible before opening: which department, which level, who, what. As a graduate student, your department and status (석사과정 master’s / 박사과정 PhD / 석박통합과정 integrated) are usually the most useful identifiers; for an email about a specific course, put the course name and section instead. Don’t write “Question” or “Hello” — half the emails in the inbox already say that.
Opening: identify yourself at the start of every new thread
Korean emails re-identify the sender at the top of a new thread, even when the professor knows you — especially in large classes, or when the professor may not recognize your email address.
교수님, 안녕하세요.
국어국문학과 석사과정 Maria Silva입니다.
That’s two lines: a greeting and a self-identification. Continue an existing thread when the subject is the same, and there’s no need to repeat your full introduction on every reply; start a new thread with a new subject line when the topic changes.
On the address form: in direct correspondence, 교수님 alone is a safe and natural choice when the addressee is obvious. 김 교수님 or 김소랑 교수님 is also appropriate when you need to identify or distinguish the professor. Both 안녕하세요 and 안녕하십니까 are acceptable: 안녕하십니까 is more formal; 안녕하세요 is slightly warmer and commonly used in established relationships. Mirroring the professor’s usual tone is a reasonable default.
Body: the honorific patterns that matter
You don’t need to master the entire honorific system for email. You need about six patterns, used consistently.
| Instead of | Write | Why |
|---|---|---|
| 물어보다 (ask) | 여쭤보다 / 여쭙다 | Humble verb used when asking the professor |
| 주다 (give), 보내다 (send) | 드리다, 보내 드리다 | Humble verb: you give or send to the professor |
| 말 (words) | 말씀 | Used for the professor’s words (교수님 말씀) and to humble your own (말씀드리다) |
| 교수님이 (subject) | 교수님께서 | Honorific subject particle |
| 시간 있을 때 | 시간 괜찮으실 때 | -시- indirectly honors the professor by honoring their circumstances |
| 부탁해요 | 부탁드립니다 | Formal humble request |
Two more principles. 안녕하세요 can naturally be followed by a body written mainly in the -습니다/-ㅂ니다 style (요청드립니다, 감사합니다). Within the body, consistency is usually safer than switching repeatedly between -요 and -습니다. And keep the professor’s actions honorific, your own humble: 교수님께서 말씀하신 부분을 수정했습니다 — the part you mentioned, I revised.
Things to avoid: 고마워요 (use 감사합니다), ~해 주세요 as a bare command (use ~해 주시면 감사하겠습니다), and — this one divides Koreans — 수고하세요 as a closing. Some professors don’t mind it; others hear it as something a superior says to a subordinate. When in doubt, don’t.
Closing: 올림 or 드림
Korean emails end with a thank-you line, then your name plus 올림 or 드림.
감사합니다.
Maria Silva 올림
올림 is conventionally more deferential, while 드림 is also widely used in professional and academic email. Neither choice is governed by a strict national rule; follow the pattern used in your department when possible, and if you have no reference point, 올림 to a professor will not raise eyebrows. Avoid inserting an English closing into an otherwise Korean email unless your correspondence normally mixes the two languages, and avoid closing with nothing.
KakaoTalk: When It Is and Isn’t Appropriate
This is the question I get asked most, so here are the safe defaults as plainly as I can state them.
Default 1 — Use KakaoTalk only when the professor has indicated it’s acceptable. That means: they messaged you first, gave you their number for direct communication, invited you to a lab chat, or explicitly told you to use it. A number you happened to see on a lab contact sheet is not an invitation.
Default 2 — KakaoTalk is for logistics, email is for records. “교수님, 지금 연구실에 계신가요?” is a KakaoTalk message. A draft, a request for a recommendation letter, a change to your thesis timeline — those go by email, because you both may need to find them later, and because email gives the professor room to respond when convenient.
Default 3 — Working hours. Unless your professor has established otherwise, send KakaoTalk messages during ordinary weekday working hours. A message written at night can be held until morning — or, if it’s email, drafted and sent with scheduled send for the next working morning. Email is generally less intrusive than KakaoTalk, but it can still trigger a notification. If something is genuinely urgent, use whatever emergency channel the professor or lab has set up, not a late-night guess.
Default 4 — Same honorifics, shorter form. KakaoTalk does not mean casual. Open with 교수님, 안녕하세요, identify yourself on first contact of the day, keep 드리다 and 여쭤보다, and skip the emoticons unless the professor uses them first. ㅋㅋ and ㅠㅠ do not belong in a message to your advisor.
Default 5 — Don’t treat the read receipt as a response deadline. When the “1” disappears, the professor has read it — that’s all. For urgent logistics, a brief follow-up on the next working day may be reasonable. For drafts, recommendations, and non-urgent requests, allow more time and consider the actual deadline before following up — and when you do, switch to email.
One practical tip: many professors run a lab or seminar group chat. Use it for what it’s for — schedule announcements, shared files — and never for personal requests to the professor in front of everyone.
Five Templates You Will Actually Use
Adapt these. The bracketed parts are yours; the honorific skeleton is the part to keep.
Template 1 — Requesting a meeting (면담 요청)
Subject: [국어국문학과 석사과정 Maria Silva] 논문 주제 관련 면담 요청드립니다
교수님, 안녕하세요.
국어국문학과 석사과정 Maria Silva입니다.지난 수업에서 말씀해 주신 [주제]를 학위논문 방향으로 발전시켜 보고 싶어, 교수님께 여쭤보고 싶은 점이 있어 연락드립니다.
시간 괜찮으실 때 20~30분 정도 면담을 요청드려도 될까요? 저는 이번 주 화요일과 목요일 오후에 가능하지만, 교수님 편하신 시간에 맞추겠습니다.
감사합니다.
Maria Silva 올림
What this does: states the purpose in one sentence, asks for a bounded amount of time, offers your availability while deferring to theirs. If you’d rather not name a duration, 잠시 면담을 요청드려도 될까요? works too.
Template 2 — Sending a draft for feedback (초안 송부)
Subject: [국어국문학과 석사과정 Maria Silva] 논문 2장 초안 보내 드립니다
교수님, 안녕하세요.
국어국문학과 석사과정 Maria Silva입니다.지난 면담에서 말씀하신 대로 2장 초안을 수정하여 보내 드립니다. 특히 [교수님께서 지적하신 부분]을 중심으로 [무엇을 어떻게] 고쳤습니다.
아직 [부족한 부분]은 보완 중입니다. 시간 괜찮으실 때 검토해 주시면 감사하겠습니다.
첨부:
Silva_2장_초안_v2.pdf감사합니다.
Maria Silva 올림
What this does: tells the professor what changed since last time so they don’t reread from scratch, names what’s still unfinished so they don’t waste comments on it, and puts the file name in the body. Version your files (v2, v3); professors juggle many students’ drafts.
Template 3 — Absence notice (결석 관련 말씀)
Subject: [국어국문학과 석사과정 Maria Silva] 이번 주 세미나 결석 관련하여 말씀드립니다
교수님, 안녕하세요.
국어국문학과 석사과정 Maria Silva입니다.죄송하지만 [사유: 비자 연장 출입국 방문 / 병원 진료]로 이번 주 목요일 세미나에 참석하기 어려워 미리 말씀드립니다.
발표 자료는 목요일 오전까지 메일로 보내 드리고, 세미나 내용은 [동료 이름]에게 확인하겠습니다.
불편을 드려 죄송합니다.
Maria Silva 올림
What this does: notifies in advance rather than after, gives a brief reason without a medical history, and — the part most students skip — says how you’ll cover the gap. A Korean professor is far more forgiving of an absence than of a student who disappears and reappears without a plan.
Template 4 — Asking for a recommendation letter (추천서 부탁)
Subject: [국어국문학과 석사과정 Maria Silva] 추천서 부탁드립니다 ([장학금명], 마감 10월 15일)
교수님, 안녕하세요.
국어국문학과 석사과정 Maria Silva입니다.[장학금/프로그램명]에 지원하려고 하는데, 교수님께 추천서를 부탁드려도 될지 여쭙고자 연락드립니다. 제출 마감은 10월 15일이며, 추천서는 [온라인 링크로 제출 / 제가 봉인된 봉투로 제출]하는 방식입니다.
참고하시도록 지원서 초안과 이력서, 추천서 양식을 함께 첨부합니다. 바쁘신 중에 부탁드려 죄송하고, 일정이 어려우시면 편하게 말씀해 주시면 감사하겠습니다.
감사합니다.
Maria Silva 올림
What this does: puts the deadline in the subject line, explains the submission mechanism, attaches everything the professor needs to write without asking you, and makes it easy for them to decline if their schedule doesn’t allow it. Ask as early as possible — ideally three to four weeks before the deadline. After the letter is submitted, send a one-line thank-you — and later, tell them the result, whatever it was.
Template 5 — KakaoTalk, when the channel is open
교수님, 안녕하세요. Maria Silva입니다.
오늘 3시 면담 때문에 연구실 앞에 와 있는데, 문이 잠겨 있어서요. 조금 더 기다리면 될까요?
What this does: identifies you, states one concrete situation, asks one yes/no question. No emoticons, no ㅠㅠ, and no second message just because the “1” disappeared — wait.
Reading the Reply
Korean professors’ replies are often short, and international students sometimes read the brevity as coldness. Usually it’s the opposite: a fast “네, 목요일 3시에 봅시다” means the request was so clear it needed no elaboration. That is the best possible outcome.
A reply that begins with your name and “~하는 게 좋겠어요” (it would be good to…) often functions as more than a casual suggestion in a professor–student context. Treat it seriously, and ask if the expected action is unclear. If the professor asks a question, respond promptly — ideally within one working day when possible.
On following up: for a time-sensitive scheduling question, a polite one-line follow-up after one or two working days may be appropriate. For feedback on a draft, several days or a week may be more reasonable unless you agreed on a date. After a KakaoTalk message, follow up by email, not by another message.
Mistakes I Correct Most Often
- Skipping self-identification because “the professor knows me.” They do; they also have sixty students. Identify yourself at the start of every new thread.
- Apologizing at length. One 죄송합니다 is enough. Three make the professor manage your feelings.
- Burying the request. Put the request early and remove context that does not help the professor answer it.
- Asking questions the syllabus, the department office, or a senior student could answer. Professors notice when they’re the first place you look.
- Unnecessarily copying the professor on group messages to seem transparent. It clutters their inbox and reads as passing responsibility.
- Translating Western warmth literally. “I hope this email finds you well” does not have a standard word-for-word Korean formula that needs to appear in every email. Korean warmth is in getting the honorifics right and being brief.
Quick FAQ
My professor writes to me in 반말 (casual speech). Should I reply in 반말? No. A professor speaking casually to a student is normal; a student replying casually is not. Keep your honorifics regardless of how they write to you.
What if I get an honorific wrong? Nothing dramatic. Korean professors expect international students to make honorific errors, and effort is visible. The more consequential problems are usually unclear requests, missed deadlines, inappropriate channels, or failure to follow through — not a missed -시-.
Can I use 선생님 instead of 교수님? In some humanities departments, students address professors as 선생님, and you’ll hear it from Korean students. Follow what the Korean graduate students in your department do. When writing directly to a professor, 교수님 is the safest default. (Titles and hierarchy — 교수님, 선생님, 선배 — get their own post: Korean academic hierarchy explained (coming soon).)
Is a Korean email with mistakes better than a perfect English one? If your professor writes to you in Korean and the content is simple, usually yes — it shows you’re trying to operate in the community’s language. When precision matters more than the gesture, English with a short Korean note is the better choice.
Written by a current PhD student at a Korean national university who tutors international graduate students in Korean — and who has helped revise enough late-night KakaoTalk drafts to know which ones should wait until morning. This post fulfills a promise made in the contact-email guide. If you have an email you’re not sure about, tell me — the next post usually starts exactly there.









